New posts in Vision

Why are green screens green?

How does light combine to make new colours?

Why do I see three 'beams' when I look to a distant light source at dark?

Can you be blinded by a 'dim' light?

Why does the moon appear fairly flat to a naked eye?

Why am I able to see objects within 25 cm?

Why aren't 100% UV blocked sunglasses safe to view an eclipse with?

Does pure yellow exist in variations we can't discern?

Seeing something from only one angle means you have only seen (what?)% of its surface area at most?

Does breathing on your glasses help with cleaning?