Seeing and Eye Structure

The part of your eye that gives it its color.  It is a muscle that controls the size of your pupil.

• cornea
• lens
• pupi
• iris

The outer layer of the eye is the ________.

• Sclera
• Retina
• Choroid
• Cornea

When the cornea is not shaped correctly

• Blindness

• Claucoma

• Cataracts

• Blurred vision

Area of the retina that doesn't contain any photoreceptors

• Optic Nerve

• Blind spot

• Ciliary body

• Yellow spot

Gel-like fluid behind the lens

• Aqueous Humor

• Retina

• Vitreous Humor

• Optic humor

What part of the eye bends light to focus it on the retina?

• Retina
• Iris
• Optic Nerve
• Lens

This part protects the eye, especially the iris, pupil and lens.

• rods
• cornea
• optic nerve
• retina

What is the innermost layer and most delicate layer of the eyeball where photoreceptors are located?

• Sclera
• Choroid
• Retina
• Cornea

What light sensitive cells are stimulated in dim light?

• rods
• cones

Which part of the eye contracts and dilates based on the environment? 

• Pupil
• Cornea
• Sclera
• Iris