View the Show Notes Page for This Episode Become a Member to Receive Exclusive Content Episode Description: Steven Dell is an ophthalmologist, current Medical Director of Dell Laser Consultants, and a leader in refractive eye surgery with over 20 patents to his name. In this episode, Steven explains the anatomy and functional mechanics of the eye and how they relate to common variations in vision. He discusses changes in vision that occur with aging, the fundamentals of different types of vision loss, and provides an in-depth look into the various treatments and procedures available for corrective eye surgery. Additionally, Steven explains how one might protect the eyes and prevent vision loss—a topic particularly important for children in light of the epidemic of myopia. We discuss: Why Steven chose ophthalmology, and the crossovers to other medical disciplines [3:45]; Anatomy of the eye, common types of vision loss, and age-related vision changes [14:15]; Eye drops that can potentially improve vision [27:30]; The explanation for different eye colors [33:15]; Physiology of the eye and its connections to the brain [34:45]; Understanding human vision through an evolutionary lens [41:00]; Enhancing vision beyond 20/20 [47:00]; Astigmatism: definition, cause, and high prevalence [51:30]; Nearsightedness (myopia): causes, epidemic in children, and prevention strategies [54:15]; Cataracts: impact of aging and how they can be repaired [1:05:00]; Lens implants that can correct and improve vision [1:19:30]; Effects of eye trauma [1:26:45]; Corneal abrasion from ‘dry eye’: causes, treatment, and prevention strategies [1:29:00]; Sunglasses for eye protection [1:35:00]; Solutions to correct nearsightedness [1:42:00]; Laser eye surgery—photorefractive keratectomy (PRK) [1:45:45]; Laser eye surgery—LASIK [2:02:00]; Laser eye surgery—small incision lenticule extraction (SMILE) [2:11:45]; Glaucoma: definition, causes, symptoms, and care [2:13:45]; Tips for preserving eye health [2:20:00]; Screen time and eye health [2:24:15]; Contact lenses: good hygiene and considerations [2:27:45]; A bonus benefit from repairing cataracts [2:29:00]; Questions about corrective eye surgery [2:31:30]; How an eye exam can be a window into metabolic illness [2:33:45]; and More. Sign Up to Receive Peter’s Weekly Newsletter Connect With Peter on Twitter, Instagram, Facebook and YouTube
No persons identified in this episode.
This episode hasn't been transcribed yet
Help us prioritize this episode for transcription by upvoting it.
Popular episodes get transcribed faster
Other episodes from The Peter Attia Drive
Transcribed and ready to explore now
#375 - The ketogenic diet, ketosis, and hyperbaric oxygen: metabolic therapies for weight loss, cognitive enhancement, cancer, Alzheimer's disease, brain injuries, and more | Dominic D'Agostino, Ph.D.
08 Dec 2025
The Peter Attia Drive
#374 - The evolutionary biology of testosterone: how it shapes male development and sex-based behavioral differences, | Carole Hooven, Ph.D.
01 Dec 2025
The Peter Attia Drive
#372 - AMA #77: Dietary fiber and health outcomes: real benefits, overhyped claims, and practical applications
10 Nov 2025
The Peter Attia Drive
#370 - AMA #76: Peter evaluates longevity drugs, aspirin for CVD, and strategies to improve muscle mass — promising, proven, fuzzy, noise, or nonsense?
27 Oct 2025
The Peter Attia Drive
#369 ‒ Rethinking protein needs for performance, muscle preservation, and longevity, and the mental and physical benefits of creatine supplementation and sauna use | Rhonda Patrick, Ph.D.
20 Oct 2025
The Peter Attia Drive
#368 ‒ The protein debate: optimal intake, limitations of the RDA, whether high-protein intake is harmful, and how to think about processed foods | David Allison, Ph.D.
13 Oct 2025
The Peter Attia Drive