Ch.12 - Special Senses

Question 1

Structures outside the eyeball: eye muscles, eyelids, eyelashes, conjunctiva, and lacrimal apparatus

Answer 1

Adnexa oculi

Question 2

Muscles of the eyes work together to make depth perception possible

Answer 2

Binocular vision

Question 3

corner of the eye

Answer 3

Canthus

Question 4

Tarsal plate. Framework that provides stiffness and shape.

Answer 4

Tarsus

Question 5

Pigmented layer of the eye.

Answer 5

The uvea

Question 6

Contraction (narrowing) and dilation (widening) of the pupil. Movement of the eyes and changes in the shape of the lens.

Answer 6

Accommodation

Question 7

Simultaneous inward movement of the eyes toward each other

Answer 7

Convergence

Question 8

Relationship between the refractive power and the shape of the eye

Answer 8

Emmetropia

Question 9

Dropping of the upper eyelid

Answer 9

Ptosis

Question 10

Nodule or cyst

Answer 10

Chalazion

Question 11

Pus-filled lesion

Answer 11

Hordeolum (stye)

Question 12

Swelling of the eyelid

Answer 12

Blepharitis

Question 13

Eversion of the edge of an eyelid

Answer 13

Ectropion

Question 14

Inversion of the edge of an eyelid

Answer 14

Entropion

Question 15

Swelling of the tissues surrounding the eye

Answer 15

Periorbital edema

Question 16

Inflammation of the lacrimal gland

Answer 16

Dacryoadenitis

Question 17

Inflammation of the lacrimal sac

Answer 17

Dacryocystitis

Question 18

Bleeding between the conjunctive and the sclera

Answer 18

Subconjunctival hemorrhage

Question 19

Dry eye. Drying of eye surfaces, including the conjunctiva

Answer 19

Xerophthalmia

Question 20

Injury to the outer layers of the cornea

Answer 20

Corneal abrasion

Question 21

Open sore in the cornea

Answer 21

Corneal ulcer

Question 22

Inflammation of the cornea

Answer 22

Keratitis

Question 23

Cornea becomes irregular and cone-shaped

Answer 23

Keratoconus

Question 24

Pupils are unequal in size

Answer 24

Anisocoria

Question 25

Loss of transparency of the lens

Answer 25

Cataract

Question 26

Damage to the retina; complication of uncontrolled diabetes

Answer 26

Diabetic retinopathy

Question 27

Inflammation of the intraocular fluids

Answer 27

Endophthalmitis

Question 28

Vitreous floaters. Floating particles in vitreous humor; cast shadows on retina

Answer 28

Floaters

Question 29

What is the name of flashes light? What is the name for the contraction of the pupil? What is the name of the dilation of the pupil?

Answer 29

- Photopsia - Miosis - Mydriasis

Question 30

Involuntary, constant, rhythmic movement of the eyeball

Answer 30

Nystagmus

Question 31

Choked disk, inflammation of the optic nerve

Answer 31

Papilledema

Question 32

Retinal tears. Separation of some or all of the light-sensitive retina from the choroid

Answer 32

Retinal detachment

Question 33

Affects night and peripheral vision

Answer 33

Retinitis pigmentosa

Question 34

Vasculitis that can cause a sudden vision loss

Answer 34

Temporal arteritis

Question 35

Increased intraocular pressure; causes damage to the retina nerve fibers and the optic nerve.

Answer 35

Glaucoma

Question 36

Double vision. Perception of two images of a single object.

Answer 36

Diplopia

Question 37

Blindness in one-half of the visual field

Answer 37

Hemianopia

Question 38

Night blindness. Difficulty seeing at night

Answer 38

Nyctalopia

Question 39

Cross eyes. Inward deviation of one or both eyes. What is this? Walleye. Outward deviation of one eye relative to the other. What is this?

Answer 39

- Esotropia - Exotropia

Question 40

Acronym for PERRLA:

Answer 40

Pupils are Equal, Round, Reactive to Light and Accomodation