Anatomy of the Eye / Vision

What is the function of the cornea?

• To focus light on the retina

• To produce tears

•  To control the diameter of the pupil

• To detect color

the part of the eye responsible for regulating the production of tears

and amount of light that enters

• retina

• iris

• lens

• cornea

Which part of the eye contains photoreceptor cells?

What is the main function of the lens?

•    To produce aqueous humor

•    To focus light onto the retina

•   To detect light intensity

Whats the role of the retina?

the fovea centralis is the part of the eye that adjusts focus

   

• True

• False

the optic nerve ….

  

Draw and label these parts of the eye: Cornea, Pupil, Retina, Optic Nerve

What condition is caused by the irregular shape of the cornea or lens?

•    Cataracts

     

• Glaucoma

•    Astigmatism

how do the ciliary muscles adjust the lens for focusing?

•     By contracting the pupil

•     By changing the shape of the lens

• They don’t