Eye

Question 0

Keeps foreign bodies out

Answer 0

Lashes and brows

Question 1

The union of cranial and facial bones that make up the protective socket for the eye

Answer 1

Orbit

Question 2

Eyelid - thin elastic fold of skin.

Answer 2

Palpebrae

Question 3

How many times does the average person blink?

Answer 3

15 times/min

Question 4

Thin transparent mucous membranes that secret mucous and oil to keep the cornea moist, clear, and free from friction.

Answer 4

Conjunctiva

Question 5

This conjunctiva lines the eyelid

Answer 5

Palpebral conjunctiva

Question 6

This conjunctiva lines the sclera

Answer 6

Bulbar conjunctiva

Question 7

Produces tears that flow from the outer canthus of the eye to the inner canthus; bacteriostatic and foreign body removal

Answer 7

Lacriminal gland

Question 8

Tiny opening in the upper and lower lids

Answer 8

Puncta/punctum

Question 9

Light passes through the cornea to the pupil to the lens to the vitreous humor to the retina then converted into a nerve impulse and then the optic nerve then carries it to the brain at the occipital lobe.

Answer 9

Light pathway

Question 10

Muscles that are paired to look both ways; intrinsic and extrinsic

Answer 10

Occular muscles

Question 11

Involuntary occular muscles

Answer 11

Extrinsic

Question 12

Involuntary occular muscles

Answer 12

Intrinsic

Question 13

Composed of collagen fibers meshed together that give a color of white; maintains the shape of the eye; protects from trauma

Answer 13

Sclera

Question 14

Where focusing starts; most anterior portion; transparent/avascular and gets oxygen from tears; convex, dome like structure

Answer 14

Cornea

Question 15

Provides color depending on the amount of melanin; highly vascular; donut shaped

Answer 15

Iris

Question 16

Opening in the center of the iris

Answer 16

Pupil

Question 17

Located beneath the sclera; vascular supplies blood to retinal layer

Answer 17

Choroid

Question 18

Connects the choroid to the iris and produces and secretes aqueous humor

Answer 18

Ciliary body

Question 19

Behind the pupil almost completely transparent; biconvex; fine focusing mechanisms

Answer 19

Lens

Question 20

Thin and wet and consistency of tissue paper; converts light to an impulse that the brain can vision; extends and forms the optic nerve; vascular

Answer 20

Retina

Question 21

The retina contains two cells that are photoreceptors

Answer 21

Rod - dim vision

Cones - bright environments

Question 22

Area of the retina; responsible for central vision free of blood cells; has rods and cones

Answer 22

Macula

Question 23

Center of macula; most sensitive area; densely packed cones; no rods here at all; responsible for the sharpest visual acuity

Answer 23

Fovea centalis

Question 24

The part of the retina that has the physiologic depression or cup where the blood supply and optic nerve occur

Answer 24

Optic disk

Question 25

The chamber where the cornea to lens is. Contains aqueous humor.

Answer 25

Anterior chamber

Question 26

The chamber behind the iris. Contains aqueous humor.

Answer 26

Posterior chamber.

Question 27

Behind the lens; helps give shape. Vitreous humor.

Answer 27

Posterior or Vitreous cavity

Question 28

Cornea to the aqueous humor to the pupil to the lens to the vitreous humor to the retina to the optic disk to the optic chiasm for right or left optic tract to the occipital lobes

Answer 28

How sight travels

Question 29

Eyelid drooping

Answer 29

Ptosis

Question 30

Pupils are different sizes

Answer 30

Anisocoria

Question 31

Bulge in the eyes

Answer 31

Exophthalmos

Question 32

Sunken in eyes

Answer 32

Enopthamlos

Question 33

Snellen chart of 20/200 equals

Answer 33

Legally blind

Question 34

This tests near vision for 40+ and older

Answer 34

Jaegar chart

Question 35

Multiple lenses mounted on a wheel

Answer 35

Refractometry

Question 36

The opposite pupil constricting when a penlight it placed

Answer 36

Consentuational constriction

Question 37

Opthamoscope shows refraction of the retinal layer

Answer 37

Red reflex

Question 38

Normal intraoccular pressure is

Answer 38

10-21mmHg

Question 39

Taping the cornea after anesthesia to test for glaucoma

Answer 39

Tonopen and tonometer

Question 40

Invasive procedure to to photograph the eye and vascular space

Answer 40

Florescein angiography

Question 41

Similar to angiography but do not have to have pupils dilated

Answer 41

Optical coherence tomography

Question 42

Dots arranged in simple patterns to test for color vision

Answer 42

Ishihara test

Question 43

Would look blurred with a gray area if eye damage - determines macular degeneration

Answer 43

Amsler grid

Question 44

Double vision

Answer 44

Diploplia

Question 45

Milky white or yellow ring around the iris, doesn't affect vision; from cholesterol deposits; seen in geriatric patients

Answer 45

Arcus senilis