Understanding the Eyes

It allows light to enter the eye.

• Eyelids

• Pupil

• Optic Nerve

It protects your eyes from dust.

• Eyelids

• Cornea

• Optic Nerve

It regulates or controls the amount of light that enters the eye.

• Pupil

• Retina

• Iris

It carries the image of the object you are looking at to the brain.

• Lens

• Optic Nerve

• Cornea

It focuses the image you are looking at on the retina.

• Lens

• Retina

• Pupil

It contains the nerve endings of the optic nerve.

• Cornea

• Retina

• Pupil

It allows the light to pass through the pupil.

• Optic Nerve

• Retina

• Cornea

_____ is an eye defect in which the lens of an eye becomes cloudy, resulting in an unclear vision.

• Color blindness

• Nearsightedness

• Farsightedness

• Sore eyes or conjunctivitis

The membrane that covers the eyeball and the underside of the eyelids becomes red and inflamed because of bacteria, virus, germs, dust or other allergens

• Farsightedness

• Sore eyes or conjunctivitis

• Nearsightedness

• Cataract

A person sees near objects more clearly than those that are distant (difficulty viewing objects in the distance)

• Nearsightedness

• Cataract

• Farsightedness

• Sore eyes or conjunctivitis