Why Don't Other Animals Wear Glasses?

The video explores human vision issues, focusing on how our eyes work and why many people have vision problems like myopia, hyperopia, and astigmatism. It explains the eye's focusing mechanism and how corrective measures like glasses, contacts, and LASIK surgery work. The video also discusses the evolutionary aspects of vision, noting that modern lifestyles may contribute to worsening eyesight. It concludes by comparing human vision to that of birds of prey and highlights the limits of human vision due to the density of cone cells in the retina.

What is presbyopia, and how does it affect vision as people age?

In what ways do corrective lenses and surgeries like LASIK address vision problems?

How does the structure of the retina affect the detail of vision in humans compared to birds of prey?