Human Eye

Light sensitive screen in the eye is called

• sclera

• cornea

• optic nerve

• retina

Light enters the eye through -------

• retina

• iris

• cornea

• rod cells

The eye ball's diameter is approximately

• 2.3cm

• 2.5cm

• 1.7cm

• 2cm

.......provides the finer adjustments of focal length required to focus objects at different distances on the retina

• cornea

• pupil

• iris

• crystalline lens

........ controls the size of the pupil

• cornea

• Iris

• Pupil

• Sclera

....... regulates and controls the amount of light entering the eye.

• Cornea

• Lens

• pupil

• retina