PreLab 5

Question 1

The ability to discern visual detail

Answer 1

Visual Acuity

Question 2

Biconvex, transparent, flexible structure

Answer 2

Lens

Question 3

Changing lens shape to allow image focusing

Answer 3

Accommodation

Question 4

Fills in the middle ear

Answer 4

Air

Question 5

Needed for high acuity color vision

Answer 5

Cones

Question 6

Inner ear structure dedicated to hearing

Answer 6

Cochlea

Question 7

Location on the retina called the “blind spot”

Answer 7

Optic Disc

Question 8

Focal point falls behind the retina, farsightedness

Answer 8

hyperopia

Question 9

Partition between the external and middle ear

Answer 9

tympanic membrane

Question 10

Unequal curvature of the cornea of the lens

Answer 10

astigmatism

Question 11

Double vision, inability of the eyes to converge

Answer 11

diplopia

Question 12

Irregular curvature of the cornea of the lens

Answer 12

Astigmatism

Question 13

Small spots that drift across , that result from cellular debris or blood cells in the vitreous body

Answer 13

Floater

Question 14

Elevated intraocular pressure compresses capillaries and can lead to blindness

Answer 14

Glaucoma

Question 15

When the retina falls out of the focal plane

Answer 15

Detached Retina

Question 16

Clouding of the lens most often caused by exposure to UV light

Answer 16

Cataract

Question 17

Progressive degeneration of the retina that affects the macula lutea and leads to loss of central vision

Answer 17

Macular degeneration

Question 18

The bending of light rays

Answer 18

Refraction

Question 18

Too little Vitamin A in the diet reduces the quantity of retinal impairing rhodopsin production

Answer 18

Night Blindness

Question 18

Inflammation of the conjunctiva, also called pink eye

Answer 18

Conjunctivitis

Question 19

The ability to focus for vision of objects within 20 feet

Answer 19

Accomodation

Question 20

An eye with no visual deficits (normal vision)

Answer 20

Emmetropia

Question 21

Technical term for farsightedness, the inability to see close objects

Answer 21

Hyperopia

Question 22

Technical term for nearsightedness, the inability to see distant objects

Answer 22

Myopia

Question 23

Process of rotating the eye medially to focus on objects that are close to you

Answer 23

Convergence