1) where is image formed in human eyes 2) how is amount of light that enters the eye controlled 3) how does eye focus on object that are near or at a distance

1) where is image formed in human eyes 2) how is amount of light that

1.	1) where is image formed in human eyes 2) how is amount of light that enters the eye controlled 3) how does eye focus on object that are near or at a distance
Answer» 1) where is image formed in human eyes 2) how is amount of light that enters the eye controlled 3) how does eye focus on object that are near or at a distance