Why Does Squinting Help You See Better?

The video explains how squinting helps improve vision by reducing glare and directing light more accurately onto the retina. It discusses refractive errors and how the eye adjusts to focus light. The concept of pinhole occluders is introduced, showing how they can help identify vision issues. Pinhole glasses are explored, highlighting their potential benefits and limitations, including discomfort and reduced peripheral vision.

How does squinting limit the light that reaches the pupil?

What are the potential downsides of using pinhole glasses according to the text?