part 2

Question 1

contains vascularity necessary to provide nourishment

Answer 1

choroid layer

Question 2

innermost layer that extends only to the ciliary body anteriorly.

Answer 2

retina

Question 3

it receives visual stimuli and sends it to the brain

Answer 3

retina

Question 4

what are the numerous layers of nerve cells in the retina that are often referred to as ‘photoreceptors’ because they are responsive to light

Answer 4

rods and cones

Question 5

is a cream colored circular area located on the retina toward the medial or nasal side of the eye.

Answer 5

optic disc

Question 6

a smaller circular area that appears slightly depressed is referred to as the _____

Answer 6

physiologic cup

Question 7

are dark red and grow progressively narrower as they extend out to the peripheral areas.

Answer 7

venules

Question 8

it carries oxygenated blood and appears brighter red and narrower than the veins.

Answer 8

arterioles

Question 9

it is located adjacent to the optic disc in the temporal section of the fundus.

Answer 9

retinal depression or fovea centralis

Question 10

fovea centralis is surrounded by the _____ which appears darker than the rest of the fundus.

Answer 10

macula

Question 11

This maintains the structure of the eye that protects against injury and transmits light rays

Answer 11

chambers

Question 12

this chamber is located between the cornea and iris.

Answer 12

anterior chamber

Question 13

this chamber is located between the iris and lens.

Answer 13

posterior chamber

Question 14

posterior chambers are filled with ____, a clear substance produced by the cilliary body.

Answer 14

aqueous humor

Question 15

the aqueous humor filters out of the eye from the posterior to the anterior chamber then into the canal of schlemm through a filtering site called ____

Answer 15

trabecular meshwork

Question 16

the ____ chamber is located in the area behind the lens to the retina. it is the largest of the chambers that is filled with a vitreous humor that is clear and gelatinous.

Answer 16

vitreous chamber

Question 17

refers to what a person sees with one eye.

Answer 17

visual fields

Question 18

what are the four quadrants of visual fields?

Answer 18

upper temporal
lower temporal
upper nasal
lower nasal

Question 19

occurs as light rays, strike the retina, where they are transformed into nerve impulses, conducted to the brain through the optic nerve and interpreted

Answer 19

visual perception

Question 20

what are the main components that refract the light rays on the retina

Answer 20

cornea and lens

Question 21

the point where the optic nerve from each eyeball cross

Answer 21

optic chiasma

Question 22

causes pupils immediately to constrict when exposed to bright light.

Answer 22

pupillary light reflex

Question 23

this can be seen as ___ reflex in which constriction occurs in the eye exposed to the light.

Answer 23

direct reflex

Question 24

this can be seen as ____ reflex when exposure to light in one eye results in constriction of the pupil in the opposite eye

Answer 24

indirect or consensual reflex

Question 25

is a functional reflex allowing the eye to focus on near objects.

Answer 25

accommodation