Vision

Question 1

Cornea

Answer 1

gathers and filters incoming light

Question 2

Iris

Answer 2

Controls size of pupil

Colored part of eye

Divides front of the eye into the anterior and posterior chamber

Contains two muscles: the dilator and constrictor pupillae

Question 3

Lens

Answer 3

refracts incoming light to focus it on the retina

Question 4

Aqueous Humor

Answer 4

Produced by the ciliary body

Nourishes the eye and gives the eye its shape

Drains through the canal of Schlemm

Question 5

Retina

Answer 5

Rods and Cones

Question 6

Rods

Answer 6

Detect light/dark

contain rhodopsin

Question 7

Cones

Answer 7

Color

short/medium/long wavelengths

Cones are in the fovea, which is part of the macula

Question 8

Pathway from retina

Answer 8

Rods/cones –>
bipolar cells –>
ganglion cells –>
optic nerve

Question 9

Retinal disparity

Answer 9

space between eyes

allows for binocular vision and depth

Question 10

Horizontal and amacrine cells

Answer 10

Integrates signals from ganglion cells and performs edge sharpening

Question 11

Support of eye

Answer 11

Vitreous on inside

Sclera and choroid on outside

Question 12

Processing (4)

Answer 12

Parallel
Color (cones)
Motion
Shape

Question 13

Parallel Processing

Answer 13

Color, form, and motion at the same time

Question 14

Magnocellular Cells

Answer 14

Motion

High temporal resolution

Question 15

Parvocellular Cells

Answer 15

Shape

High spatial resolution

Question 16

Visual Pathway

Answer 16

eye -->
optic nerves -->
optic chiasm --> 
optic tracts -->
lateral geniculate nucleus (LGN) -->
visual radiations -->
visual cortex