Which part of the eye do we actually see out of? Like if we covered our pupils could we still see a bit with our irises and the whites? And whats the purpose of the iris?

Question

Which part of the eye do we actually see out of? Like if we covered our pupils could we still see a bit with our irises and the whites? And whats the purpose of the iris?

In: Biology

Answer 1

The pupil is the part that lets light through into the eye. We couldn’t see anything if we completely covered our pupil.

Following on from that, the pupil is *only* an opening; the iris is the muscle that controls the size of our pupils.