Vocabulary Quiz 3 Flashcards
Ptosis
Drooping of the upper eyelid over the iris and possibly cover the pupil
Xanthelasma
Soft, raised yellow plaques occurring on the skin at the inner corners of the eyes
Strabismus
Disparity of the eyes (squint, crossed eye)
Pterygium
Triangular opaque tissue on the nasal side of the conjunctiva that grows toward the center of the cornea
Presbyopia
Decrease in power of accommodation that occurs with aging
Papilledema
Stasis of blood flow out of the ocular fundus; sign of increased intracranial pressure
Nystagmus
Involuntary, rapid, rhythmic movement of the eyeball
Myopia
Nearsighted; refractive error in which near vision is better than far vision
Mydriasis
Dilated pupils
Miosis
Constricted pupils
Macula
Round darker area of the ocular fundus that mediates vision only from the central visual field
Lid lag
Abnormal white rim of sclera visible between the upper eyelid and the iris when a person moves the eyes downwards
Hordeolum
Red, painful pustule that is localized infection of hair follicle at the eyelid margin (stye)
Glaucoma
A group of eye diseases characterized by increased intraocular pressure
Fovea
Area of keenest vision at the center of the macula on the ocular fundus
Exophthalmos
Protruding eyeballs
Entropion
Lower eyelid rolling inward
Ectropion
Lower eyelid loose and rolling outward
Diplopia
Double vision
Conjunctivitis
Infection of the conjunctiva, “pink eye”
Chalazion
Infection or retention cyst of a meibomian gland, showing as a beady nodule on the eyelid
Cataract
Opacity of the lens of the eye that develops slowly with aging and gradually obstructs vision
Bitemporal hemianopsia
Loss of both temporal visual fields
Astigmatism
Refractive error of vision due to differences in curvature in refractive surfaces of the eye (cornea and lens)
Accommodation
Adaptation of the eye for near vision by increasing the curvature of the lens
Torticollis
Head tilt due to shortening or spasm of one sternomastoid muscle
Normocephalic
Refers to round symmetric skull that is appropriately related to body size
Microcephalic
Abnormally small head
Macrocephalic
Abnormally large head
Lymphadenopathy
Enlargement of the lymph nodes due to infection, allergy, or neoplasm
Bruit
Blowing, swooshing sound heard through the stethoscope over an area of abnormal blood flow