The eye

The cornea...

• controls the amount of light that enters the eye.

• converts light rays into impulses that are interpreted by the brain-

• protects the eye and refracts the light towards the retina.

• is opaque.

The pupil

• can be blue, brown or green

• dilates and consticts dependin on the amount of light

• focuses light onto the retina

• protects the eye.

The lens

• protects the eye.

• is a hole that lets light in.

• converts reys of light into impulses

• focuses the light onto the retina

The iris

• protects the eye.

• contains rhe rods and cones

• controls the amount of light that enters the eye

• focuses the light onto the fovea

The retina

• protects the eye

• controles the light that enters

• is the photosensitive part of the eye

• carries impulses to the brain

The blind spot coincides with the optic nerve

• true

• false

The rods and cones are located in the..

• cornea

• iris

• lens

• retina

When it is dark, the pupil

• constricts

• dilates

The function of the cornea is

• to protect

• to protect and refract light

• to dilate the pupil

• to convert light waves into impulses

The fovea is the part of the eye where we see with the greatest detail

• False

• True