In this episode of the Huberman Lab Podcast, the discussion centers on vision and eyesight, delving into both the conscious and subconscious elements. It highlights the crucial role of sunlight exposure—just 2 to 10 minutes in the morning and a total of 2 hours each day—in regulating our circadian rhythms and possibly preventing myopia. The episode offers practical tips for maintaining visual health, such as exercises for smooth pursuit and accommodation. It also explores the potential benefits of supplements like lutein and astaxanthin for certain eye conditions, while always advising a consultation with an ophthalmologist. Additionally, it emphasizes the link between eye position and alertness, recommending that looking up can boost alertness, while gazing at distant horizons helps relax eye muscles and alleviate strain.