special senses Flashcards
amblyopia
A dimness of vision or the partial loss of sight especially in one eye without detectable disease of the eye
ametropia
any error of refraction in which images do not focus properly on the retina
anisocoria
A condition in which the pupils are unequal in size
astigmatism
A condition in which the eye does not focus properly because of uneven curvatures of the cornea
barotrauma
pressure related ear discomfort that can be caused by pressure changing when flying driving in the mountains scuba diving or when Eustachian tubes are blocked
blepharoptosis
drooping of the upper eyelid that is usually due to paralysis
cataract
The loss of transparency of the lens that causes the progressive loss of visual clarity
chalazion
A localized swelling inside the eyelid resulting from obstruction within the sebaceous gland
cochlear implant
and implanted electronic device that can you give a deaf person a useful auditory understanding of the environment or hearing and help them to understand speech
conjunctivitis
and inflammation of the conjunctiva and that is usually caused by an infection or allergies
dacryoadenitis
and inflammation of the lacrimal gland that can be caused by bacterial infection or fungal infection
dilopia
double vision
ectropion
The eversion of the edge of the eyelid
emmetropia
A normal relationship between the refractive power of the Eye in the shape of the eye enables light rays to focus correctly on the retina
eustachitis
inflammation of the eustachian tube
exotropia
strabismus characterized by the outward deviation of one Eye related to the other also known as wall eye
fluorescein
Application of fluorescent dye to the surface of the eye
glaucoma
A group of diseases characterized by increased interocular pressure that causes damage to the retinal nerve fibers in the optic nerve
hemianopia
blindness and one half of the visual field
hordeolum
A pus filled lesion on the eyelid resulting from an infection in the sebaceous gland also known as a sty
infectious myringitis
contagious information that causes painful blisters on the ear drum
iridectomy
The surgical removal of a portion of the iris
iritis
and inflammation of the uveal tract affecting primarily structures in the front of the eye
keratitis
inflammation of the cornea