Eye anatomy5 cards

Tagged as: anatomy

 copy deck Copy deck

1

When does light hit cornea? What is the function of cornea?

cornea is the first thing to receive a photon. it is a protective lens covering the eye

2

When does light enter lens? what does the lens do?

after cornea. The lens is a converging lens that helps the eye focus on near and far objects.

3

What is ciliary muscle? What is its function?

it holds lens in place. its function is to contract/ relax to focus lens.

4

When does light hit the retina? Where is it located?

light hits retina after traveling through cornea and lens. It covers the back of the eye.

5

Where are rods and cones located? what is the function of each?

rods and cones are found in the retina. - rods- transduce photon signal into an action potential that is sent to the brain. cones- distinguish colors (rods cant do this).