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The video argues that removing LED bulbs from homes is important because LEDs contribute to health issues on a daily basis. It contrasts LEDs with traditional light sources, stating that the sun, fire, and incandescent bulbs emit infrared light, which “actually boost cellular energy and repair.” In contrast, LEDs are described as exposing people “only to blue light.” The speaker cites studies claiming that prolonged exposure to this blue light accelerates aging, disrupts neurotransmitters in the brain, and impairs mitochondria. These effects are presented as reasons why many people feel constantly tired and drained when indoors. Another point made is that LED bulbs flicker at high speeds that are “too fast for your eyes to notice, but enough to stress your brain and your nervous system.” This flicker is presented as an additional risk associated with LED lighting. To mitigate these issues, the speaker shares a personal precaution: wearing blue light blocking glasses “anytime I can’t control my environment and the lighting.” The overall message emphasizes a link between LED lighting and adverse health effects, drawing a contrast with traditional light sources and recommending the use of protective eyewear in situations where lighting cannot be controlled.

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The speaker describes a new device used to measure the spectrum of light, noting that under full sunshine it reveals all seven colors—“just like the rainbow”—and that this natural spectrum is straightforward. When measuring incandescence, the speaker highlights a “beautiful red hue” and claims there is “really none of the other stuff to make you go blind,” implying that incandescent light presents a safe, simple spectrum in comparison to other sources. The speaker then discusses LEDs, stating that they are “super weird to have LEDs” because they “cause blindness, cataracts, dizziness, headaches, fatigue,” and references “that color spectrum” as part of the issue. Fluorescence is described as being almost identical to LEDs in this respect. The speaker also mentions “full moonlight” in this context, implying a comparison between the spectral qualities of LEDs/fluorescent light and moonlight. A key point emphasized is that LEDs and fluorescent bulbs seem to mimic moonlight, which the speaker notes as a source of behavioral or perceptual effects, claiming that this similarity to moonlight is what contributes to people going nuts. The overall message centers on a contrast between the spectra of different light sources—sunlight with its full seven-color spectrum, incandescence with a prominent red hue and fewer problematic elements, and LEDs/fluorescent lighting with problematic health and perceptual effects and a moonlight-like quality.

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A series of testimonials claim that pearl powder can improve various vision issues. A friend in the UK reportedly saw their eyesight improve from plus four to plus 3.5, and their eye professional was amazed. Another account describes an 88-year-old with cataracts and floaters, where the condition decreased by 30% and the person no longer has floaters. A 50-year-old using pearl powder says their astigmatism is almost gone and their vision has improved. For macular degeneration, pearl powder allegedly helped reduce inflammation and fluid; the person is on month two and will be going back to see how they feel. There is a question about color blindness: “Can you reverse color blindness? Of course, there’s no treatments. They don’t have any solutions. We can’t check this.” The testimony continues: “Pro powder. My husband is starting to see colors normally that he couldn’t see at all.” It is also claimed that pearl powder works for animals as well. There is a broader note that people are self-regenerating divine beings and that there’s no profit in that, followed by the assertion that there are ways to heal the eyesight. The speaker concludes by stating that now you know your eyesight can regenerate. A reference is made to a book, “Take Off Your Glasses and Seeing” by Jacob Liberman, described as an eye professional who noticed that people’s glasses were actually making their eyes weaker over time. The transcript ends with the remark, “What a business model.”

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Glasses and contacts block the UV spectrum, weakening eyes over time, which is why they are sold. To help your eyes, the speaker recommends consuming pearl powder to feed and heal them. Astigmatism means the curvature of the eyes is off, so eye exercises are needed to train them. If you don't move your eyes in different directions, they get warped. Glasses with different curvatures are then prescribed to balance the warped eye. Astigmatism is the eyes compensating and struggling to see. Eye exercises and reduced use of glasses and contacts, along with pearl powder, may help.

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Speaker 0 states that children who sleep in rooms with a nightlight or dim lights are much more likely to develop myopia (nearsightedness). Conversely, children who sleep in very dark rooms, whether due to very dim nightlights or complete darkness, have a significantly lower probability of developing myopia.

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"Your eyes are just a camera for the part of the brain responsible for vision." "But as we age, these cells start to deteriorate." "Rushing to the eye doctor and buying the latest glasses, bifocals, or trifocals won't solve the problem." "According to my research and studies from other renowned vision specialists, glasses only mask the real cause of the issue." "What you actually need is to properly nourish and care for the cells called cones and rods, which are responsible for converting light into electrical impulses." "And for that, you simply need to consume high quality pure lutein known as nature's gold for the eyes." "This will help improve eye health and strengthen your vision system." "If you have vision problems, I highly recommend this lutein."

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Pearl Powder drew the speaker in after learning about Dr. Wayne’s study claiming that pearl powder could reverse cataracts. The study, described as being removed from Google, appeared on a single website and stated that pearl powder could reverse cataracts. The speaker found this claim astonishing and notes that to this day it remains the craziest thing ever put on the internet, because there have been thousands of testimonials of people’s eyesight reversing with pearl powder. This initial discovery set the speaker on the path to the product. The motivation came from the speaker’s family history and beliefs about eye health. In their family, it was taught that eyes get worse over time, leading to thicker and thicker glasses. The speaker realized that this belief was incorrect and that eye professionals had been telling people they needed worsening vision, whereas the speaker began to see the possibility that eyesight could reverse and heal. The speaker challenges the idea of needing an eye professional to determine whether eyes are getting better, stating that if they can see improvement with their own eyes, there is no need for a professional to tell them if the eyes are getting better. Based on these insights, the product development progressed through several stages. They started with the baby pearl at sixty grams, then expanded to capsules, and later rolled out the two hundred-gram version. Ultimately, Pro Powder became the main product and has gained considerable traction. The speaker describes its growth as “going wild,” indicating strong market uptake and enthusiasm. Throughout, the emphasis is on the potential healing and reversal of eye issues attributed to the pearl powder, supported by testimonials and personal observations. In closing, the speaker expresses gratitude for the impact of pearl powder, noting that it has helped heal a lot of people and expressing appreciation for its ability to assist many individuals. The narrative ties together the curiosity sparked by Dr. Wayne’s study, the challenge to conventional wisdom about eye health, and the product’s evolution from small beginnings to a widely used form.

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The speaker describes a dramatic improvement in vision in his left eye after using DMSO. He states that his left eye had been nonfunctional since childhood; one eye was blind for seventy-five years. At age 5–6 it became clear to his parents, and at age 10 he underwent cataract surgery that removed the lens, which left him effectively blind with only light perception, shapes, and movement. About ten years ago, after a clinician suggested there was nothing more to do for the left eye, he learned about DMSO through Mercola and a Midwestern doctor. He began using DMSO for sinus problems, and the sinus relief was immediate. After about two months of use, he became aware that he could see color with his left eye, which he attributes to using DMSO in his sinuses. He continued using DMSO, applying it topically to his upper and lower eyelids daily with his finger. Since then, he reports continued improvement in the left eye: he can see color quite distinctly, he can see detail, though he cannot read, and he can count fingers. He can cover the right eye and walk around the house without bumping into things, and he can see well enough to navigate familiar spaces. Night vision is limited to lights but not shapes; he notes that in the dead of night shapes are not visible anyway. He has seen an eye doctor during this period and told the specialist over the last two visits that the vision in the left eye is improving, but the doctor has not asked about the improvement nor inquired about why it might be improving. He remarks that doctors tend to be dismissive of DMSO, describing such dismissal as ignorant, and notes that it has benefited some people. He repeats that he is 75 years old and was born in 1919.

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Researchers recruited 22 individuals and randomized them into two groups: control and experimental. Both groups had a baseline color contrast test, which assesses visual function. Participants worked in a building with abundant artificially lit LEDs and fluorescent lighting, a spectrum with a big spike in blue light and very low red light and zero infrared light. After two weeks of working under these conditions—described as conditions the participants had experienced for the last two years—there were zero improvements in color contrast in the control group. In the experimental group, researchers added two desk lamps, each equipped with a 60-watt incandescent bulb. The incandescent bulbs provided a spectrum that added abundant infrared light, introducing longer wavelengths similar to sunlight. After two weeks of this infrared light supplementation, color contrast tests were retaken. The experimental group showed a 28% improvement in protan thresholds and a 24% improvement in tritan thresholds. After the incandescent lights were removed, improvements persisted four weeks later and six weeks later, with no other changes to the lighting. The mechanism behind these results centers on retinal energy metabolism. The retina is rich in mitochondria, requiring substantial energy. The electron transport chain in mitochondria handles energy transformation. Two scenarios are described: shining red and infrared light on mitochondria versus blue light. - Blue light: Absorbed by porphyrins in the mitochondria, leading to the production of reactive oxygen species (ROS). Excess ROS reduce ATP production, diminishing energy available to retinal cells and impairing function. - Red and infrared light: Absorbed by cytochrome c oxidase and by nano water around ATP synthase. Absorption releases nitric oxide, allowing oxygen to enter and form water. The longer wavelengths are also absorbed by nano water around ATP synthase, reducing viscosity and enabling the rotor to run faster, generating more ATP and providing more energy for retinal cells to function properly. The speaker attributes the observed improvements to these mitochondrial light–energy interactions, particularly the enhanced ATP production from red and infrared light. A practical takeaway is proposed: add incandescent lighting to the environment.

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The speaker rails against eye professionals, saying they laugh at natural remedies and then sell thicker glasses, never truly fixing eyes. They describe the typical eye exam as just checking whether the eyes have changed and deciding if a thicker prescription or insurance charges are needed, implying that insurance is a scam and that exams don’t improve vision. They argue that people go to eye professionals to be told what they already know about their eyes and vision, rather than to improve them. The speaker notes that instinctively people know they need to take care of their eyes and nourish their bodies, but claims professionals respond by recommending progressively weaker or thicker glasses (referred to as “Coke bottles”) and bifocals that aren’t helping. In contrast to conventional care, the speaker promotes internal nutrition as a remedy, asserting that consuming a little pearl powder can benefit the eyes. They also mention topical uses, suggesting rubbing a little organic coconut oil or organic castor oil around the eyes before bed and then wiping it off before going to bed. The overarching message is that the eyes require 25% of the day’s nutrition, and if not fed, they will fall apart.

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Let's talk about the bad effects of light. Nowadays because of screens and artificial light, we have access to light at times of day and night that normally we wouldn't. The longer you've been awake, the more sensitive your retina and these cells are to light. You want as much light as is safely possible early in the day, morning and throughout the day, including blue light. So take those blue blockers off during the day unless you have a real issue with screen light sensitivity and you want as little light coming into your eyes artificial or sunlight after say 8PM. And certainly you do not want to get bright light exposure to your eyes between 11PM and 4AM.

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The speaker recounts anecdotes in response to a query about whether eyesight can reverse with age. They note that Google’s responses claim surgery and potential eye diseases, but they pivot to natural solutions. A friend reports using pearl powder for six months, with eye charts shown before and after: before: negative 3.25 and negative 3.5; after: negative 2.75 and negative 2.25, achieved with a small amount of pearl powder and a little castor oil. Another friend states that using pearl powder and castor oil, after having worn contacts and glasses since age nine, their eye doctor showed an improvement from plus six to plus four. This is presented as reversing eyesight. A third friend says her daughter has used pearl powder and castor oil, resulting in a notable prescription reduction from negative 5.75 to four point zero. The speaker concludes from these accounts that eyesight can heal. The speaker then shifts to other methods that they say can improve eye health, stating they do not want to rely on make-believe alone. They list several approaches: eyesight exercises or training to prevent weakness when not practiced; candle gazing or sun gazing; pinhole glasses; removing Wi-Fi, described as “cooking your eyes,” and removing LEDs, which are linked to cataracts. They also reference a book titled Take Off Your Glasses and See by Jacob Liberman, describing Liberman as an eye doctor who claimed that glasses are making the eyes weaker over time. The speaker frames these as additional options for improving or maintaining eye health beyond surgical considerations, highlighting a mix of folk remedies, lifestyle adjustments, and a published perspective on eyewear.

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The speaker describes a common eye-care experience: you visit the eye doctor, receive glasses, and when your prescription worsens, you’re given thicker glasses. You keep returning for thicker and thicker lenses until the glasses become so thick that they block essential spectra needed for healing, and you can no longer see because the glasses have blocked the UV spectrum and other necessary wavelengths. The speaker argues that this approach contradicts healing, noting that if you don’t use your eyes or feed them, you lose them and they fall apart, so it makes no sense to keep relying on the same practitioner who prescribes progressively thicker glasses. Instead, the speaker advocates training the eyes through exercises and natural remedies. They claim that beginning eye exercises, applying castor oil and pearl to the eyes, and giving the eyes structured water can lead to healing and the ability to see again. The overarching assertion is that the eyes are capable of self-healing and regeneration. The speaker shares personal observations from others who have contacted them, stating that they have started regenerating their eyesight, visited eye professionals, and found that their eyesight has actually reversed or moved backward in the right direction. The central point is that by addressing the root causes—typically lack of nutrition, or possibly substantial toxin overload—and by not merely relying on corrective lenses, vision can improve. A key theme is reframing eye health from a dependence on increasingly strong prescriptions to a focus on natural support and addressing underlying factors. The speaker emphasizes that when the root causes are addressed, the eyes can heal, aligning with the belief that humans are self-regenerating beings.

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The speaker critiques eye care practices and the broader approach to eye health, arguing that the field often harbors a “circus of nonsense.” They claim that eye professionals laugh at natural remedies and then proceed to sell thicker and thicker glasses, arguing that most eye exams merely assess whether the eyes have changed and determine whether to prescribe a thicker prescription or charge insurance. The speaker describes the typical eye exam as someone putting “the little things over your eyes” and pretending, implying that these exams do not actually improve sight but simply reaffirm existing issues and generate ongoing costs. They contend that you never actually go to an eye professional to improve your eyes, but instead return annually to hear the same information you already know. They suggest a disconnect between instinct and practice: people know they should care for their eyes and feed the body, yet the professional encounter leads to stronger prescriptions rather than improvement. The speaker emphasizes that stronger glasses can worsen vision clarity, using the image of “Coke bottles” on the eyes to illustrate how thick lenses hinder sight rather than help it. Against this backdrop, the speaker advocates for natural approaches to eye health. They claim that “you can take a little bit of pearl, just consuming it internally,” and mention additional topical methods such as using “organic coconut oil or organic castor,” applied around the eyes before bed and wiped off later. They assert these methods feed the eyes and emphasize nourishment as essential, stating that “our eyes require 25% of the nutrition for the day.” According to the speaker, if you don’t feed the eyes, they “fall apart.” In summary, the speaker portrays contemporary eye care as misaligned with actual eye improvement, criticizing both the financial incentives of eye exams and the tendency to rely on corrective lenses. They propose alternative, natural strategies—consuming pearl powder, and applying natural oils around the eyes—as ways to nourish and support eye health, underscoring a belief that proper nutrition is crucial for eye integrity.

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The speaker discusses the common practice of getting thicker glasses to improve eyesight, which they argue doesn't make sense. Instead, they suggest training the eyes through exercises, using castor oil and pearl, and providing proper nutrition and hydration. They emphasize that our bodies have the ability to regenerate and reverse eye issues when addressing the root cause, such as lack of nutrition or toxin overload. Many people have reported positive results in regenerating their eyesight by taking these steps.

Mark Changizi

If a colorblindness tech doesn’t augment veins, then it’s a scam.

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Dr. Mark Janey discusses color blindness glasses from VenOP Optics and a practical test: do these devices genuinely augment color vision? He explains primate red-green vision evolved to reveal skin cues tied to emotions, health, and oxygenation. Venoptics' technology supposedly enhances detection of blood oxygenation under the skin, aiding nurses and paramedics. The episode argues if a lens washes out veins instead of highlighting them, it fails to augment vision and misleads users.

Huberman Lab

AMA #6: Eye Health, Why We Yawn & Increasing Motivation

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In this AMA episode of the Huberman Lab podcast, Andrew Huberman discusses eye health, emphasizing the importance of balancing near and far vision. He notes that excessive close-range viewing, especially among children, contributes to rising myopia rates. To maintain vision, he recommends at least one hour of outdoor viewing daily, ideally in natural sunlight, which has been linked to lower myopia incidence. Huberman highlights the significance of vitamin A for eye health, suggesting dietary sources like dark leafy greens and egg yolks. He mentions that supplements like lutein may help with age-related macular degeneration but emphasizes that a healthy diet is crucial. Additionally, he introduces eye exercises such as smooth pursuit tasks and near-far exercises to strengthen eye muscles. Lastly, he discusses the potential benefits of red light exposure for vision, particularly for those over 40, suggesting it may help offset age-related visual decline. For more details, listeners are encouraged to explore related episodes on the Huberman Lab website.

The Peter Attia Drive Podcast

198 - Eye health—everything you need to know | Steven Dell, M.D.

Guests: Steven Dell

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In this episode of The Drive podcast, host Peter Attia welcomes ophthalmologist Steven Dell to discuss various aspects of eye health, particularly focusing on the anatomy of the eye, common eye conditions, and advancements in eye surgery. They begin by acknowledging the general ignorance surrounding ophthalmology among non-specialists, highlighting the importance of understanding the eye's structure and function. Dell explains that ophthalmologists undergo extensive training, including a four-year medical degree and residency, where they learn both surgical and non-surgical aspects of eye care. He emphasizes the collaborative relationship between ophthalmologists and optometrists, with the latter handling routine eye care and some specific conditions like glaucoma. The conversation shifts to surgical techniques, particularly cataract surgery, which remains a common procedure. Dell describes how cataracts form as a natural part of aging, leading to the clouding of the lens, and discusses the surgical process of removing the cataract and replacing it with an artificial lens. He notes that cataract surgery is typically a one-time procedure with high success rates, often restoring or improving vision significantly. Attia and Dell delve into the anatomy of the eye, explaining the roles of the cornea, lens, and retina. They discuss common refractive errors such as nearsightedness and farsightedness, and how these conditions can be corrected through glasses, contact lenses, or surgical options like LASIK and PRK. Dell details the differences between these procedures, including recovery times and potential complications, emphasizing that LASIK offers quicker visual recovery compared to PRK, which requires a longer healing process. The discussion also touches on the importance of eye protection, particularly from UV light, and the role of nutrition in eye health. They highlight the potential benefits of antioxidants and specific supplements in preventing conditions like cataracts and macular degeneration. Dell explains glaucoma as a group of diseases that damage the optic nerve, often related to increased intraocular pressure. He stresses the importance of regular eye exams for early detection and management of glaucoma, as many patients may not notice symptoms until significant damage has occurred. The episode concludes with a discussion on the integration of ophthalmology into broader medical practice, emphasizing the eye's role as a window into overall health. Dell advocates for increased awareness and preventive measures regarding eye health, particularly for children, and the need for regular screenings as individuals age.

Mark Changizi

Color vision isn’t about seeing colors, but about seeing color differences. Moment 295

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Color vision helps distinguish important emotional signals on skin; Veno Optics offers glasses to enhance this ability.

The Diary of a CEO

The No.1 Eye Doctor: They’re Lying To You About Blue Light! The Truth About Floaters!

Guests: Joseph Allen

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Dr. Joseph Allen, a board-certified eye doctor, discusses common misconceptions about eye health, particularly regarding vision loss and the causes of under-eye bags. He clarifies that while aging does affect eyesight, lifestyle choices can significantly slow down deterioration. Stress, lack of sleep, and excessive caffeine can lead to eyelid twitching, a common issue linked to stress levels. Allen addresses concerns about blue light from screens, stating that it does not increase the risk of aging eye diseases, and suggests that moving devices further away can reduce exposure. He highlights a troubling trend: the rising rates of nearsightedness, projected to affect 50% of the global population by 2050, largely due to lifestyle changes, including increased screen time and indoor activities. Regular eye exams are crucial, as they can detect over 270 conditions, including diabetes and high blood pressure, often before patients are aware of any issues. Allen shares a case where he identified a serious health condition in a young patient during a routine exam, emphasizing the importance of proactive eye care. He also discusses the impact of diet on eye health, recommending a Mediterranean diet rich in green leafy vegetables and oily fish to reduce the risk of macular degeneration. Allen debunks the myth that carrots significantly improve vision, attributing it to wartime propaganda. Allen touches on emerging treatments like red light therapy for dry eyes and macular degeneration, noting that while promising, they require further research. He concludes by stressing the interconnectedness of eye health with overall well-being and the importance of maintaining a healthy lifestyle to preserve vision. Regular eye check-ups are essential, even for those who believe their vision is fine.

Huberman Lab

Dr. Jeffrey Goldberg: How to Improve Your Eye Health & Offset Vision Loss

Guests: Jeffrey Goldberg

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In this episode of the Huberman Lab podcast, Andrew Huberman interviews Dr. Jeffrey Goldberg, chair of the Department of Ophthalmology at Stanford University. They discuss various aspects of eye health, including the importance of eye exams, the impact of corrective lenses, and the role of sunlight in preventing myopia. Dr. Goldberg emphasizes that every baby should receive an eye exam shortly after birth to check for conditions like retinoblastoma, which can be detected through a red reflex test. Regular eye exams are crucial throughout childhood and into adulthood, especially as age increases the risk of conditions like glaucoma and macular degeneration. The conversation covers the benefits and drawbacks of corrective lenses, including glasses and contact lenses, and how they can affect vision over time. Dr. Goldberg explains that while corrective lenses can improve vision, they may also lead to dependency. He discusses the importance of outdoor light exposure for children to help prevent myopia and suggests that spending time outdoors is beneficial for eye health. Dr. Goldberg addresses common eye conditions such as dry eye, floaters, and twitching eyelids, providing insights into their causes and potential remedies. He highlights the significance of maintaining eye cleanliness and safety, particularly for those engaged in activities that pose risks to eye health. The discussion also delves into serious eye diseases like glaucoma, age-related macular degeneration (AMD), and diabetic retinopathy. Dr. Goldberg explains that glaucoma is the leading cause of irreversible blindness, often linked to increased eye pressure, and emphasizes the importance of early detection through regular eye exams. He outlines treatment options for glaucoma, including medications and surgical procedures, and stresses the need for good blood sugar control in diabetic patients to prevent diabetic retinopathy. Nutritional aspects of eye health are also covered, with Dr. Goldberg discussing the findings from the Age-Related Eye Disease Studies (AREDS) that support the use of specific supplements, such as vitamins C and E, zinc, and lutein, to slow the progression of AMD. He notes that while some supplements show promise, many others lack rigorous scientific backing and should be approached with caution. The episode concludes with a discussion on the potential of imaging the retina to detect neurodegenerative diseases like Alzheimer's and Parkinson's, highlighting the retina's connection to the brain. Dr. Goldberg expresses optimism about ongoing research in this area and the future of precision medicine in ophthalmology. Overall, the episode provides a comprehensive overview of eye health, emphasizing the importance of regular eye exams, the impact of lifestyle choices, and the potential benefits of specific nutritional supplements.

Into The Impossible

What’s Holding Back Your View of the Stars? Common Eye Deficiencies Explained

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In this two-part episode, Brian Keating discusses the physics of the human eye, inspired by Andrew Huberman. He compares the human eye to telescopes, highlighting their similarities and limitations. Key deficiencies include nearsightedness, farsightedness, and astigmatism, which can be corrected with lenses or LASIK. Keating shares personal experiences with LASIK and its side effects. He explains how both human eyes and telescopes suffer from optical issues like chromatic aberration and spherical aberration. He also touches on the effects of temperature on telescopes and the importance of collimation. Lastly, he connects Van Gogh's "Starry Night" to astronomical physics and potential visual impairments he may have had.

Mark Changizi

The meso scale visual world that LASIK blinds you to. Moment 292

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Mark Changizi discusses the different kinds of vision, emphasizing the loss of mesoscale detail when using contact lenses or after LASIK surgery. He notes that while far vision improves, near vision sacrifices the ability to see fine details, such as pores and individual hairs. This loss impacts self-grooming and other aspects of life, suggesting that ophthalmologists should inform patients about the importance of mesoscale vision in their perceptual experience.

Huberman Lab

The Science of Vision, Eye Health & Seeing Better

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Welcome to the Huberman Lab Podcast with Andrew Huberman, a professor at Stanford School of Medicine. This podcast aims to provide accessible science-based information to the public. The episode begins with sponsorship mentions, including Roka, a company specializing in eyeglasses and sunglasses designed with a focus on optics and performance. Inside Tracker is highlighted as a personalized nutrition platform that analyzes blood and DNA data to help individuals understand their health better. Helix Sleep is introduced as a mattress company that customizes sleep solutions based on individual preferences. The main topic shifts to endurance training and concurrent training, emphasizing the importance of balancing endurance and strength workouts. Huberman suggests a 10 to 12-week cycle focusing on either endurance or strength, with recommended rest days to prevent injury. The podcast transitions to a new series on the senses, starting with vision. Huberman explains that vision encompasses more than just eyesight; it also affects mood and alertness. He emphasizes the importance of training and supporting eyesight, especially for younger individuals, to maintain visual health as they age. Huberman discusses how the eyes function, detailing the roles of rods and cones in vision and how the brain interprets light signals. He explains that vision is not a direct perception of objects but a complex process of electrical signal interpretation. He highlights the differences in how various animals perceive the world, including color perception and depth judgment. Practical protocols for enhancing vision are introduced, including the importance of sunlight exposure to regulate circadian rhythms and improve mood and metabolism. Huberman cites studies showing that spending two hours outdoors daily can reduce the risk of myopia in children. He advises against excessive close-up work and encourages regular breaks to relax the eyes. The episode also covers the significance of accommodation, the eye's ability to focus on near and far objects, and the need for visual exercises to maintain eye health. Huberman mentions the potential benefits of red light exposure for age-related macular degeneration and discusses dietary factors like vitamin A and lutein that support vision. He concludes by emphasizing the importance of maintaining good visual habits and consulting with professionals for vision-related issues. The podcast encourages listeners to adopt simple practices to enhance their eyesight and overall well-being.

The Tim Ferriss Show

Cutting-Edge Science for Eye Health — Dr. Jeffrey Goldberg

Guests: Jeffrey Goldberg

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Glaucoma is the number one cause of irreversible blindness in the world, and Dr. Jeffrey Goldberg suggests vision restoration is imminent. The aim shifts from merely preventing loss to achieving supra-normal vision. He notes pro athletes often exhibit sharper vision and reflexes, and describes training with goggles that dim vision by missing some frames so athletes perform with reduced data; after training, returning to full vision yields faster reflexes and better hand–eye coordination. Cone cells refresh around 30–60 frames per second, so training at reduced data forces adaptation that can transfer to real play. Ferriss asks about presbyopia and vision basics. Goldberg explains aging lens stiffening around 40, the lens changes how we focus up close; he notes an accidental self-experiment with readers, leading to the concept of “supra normal” near vision. He identifies FDA-approved eye drops that constrict the iris to a smaller pupil, effectively creating a pinhole to improve near vision, allowing focus near and far. He then outlines eye anatomy: cornea, iris, pupil, lens for focusing; vitreous gel; retina with rods and cones; retinal processing and the neural path via retinal ganglion cells to the brain. He emphasizes cortex and brain plasticity with vision training. Goldberg discusses cutting-edge approaches: light therapies that affect mitochondria (red light helps mitochondrial health; violet light may slow myopia progression), and small doses for minutes daily rather than long exposure. Myopia control data shows some benefit; nicotinamide (vitamin B3) shows potential to restore vision in certain diseases; devices and augmented reality may train or augment vision outside the clinic. He highlights immune system roles in eye diseases; the microbiome's gut-eye axis; therapies targeting immune pathways and metabolic signaling are under study. He mentions psychedelics and other drugs as possible ways to modulate brain plasticity, with caution that dosing and training matter.