Comp Pt

imparied vision caused by irregularities in the curvature of the cornea or lens

area on the retina that marks the site of entrance of the optic nerve

no perception of visula stimuli; lack or loss of ability to see

less than 20/200 vission with corrective eyeglasses

a system of writing and printing by means of raised points representing letters; enables people with a visual disability to read by touch

clouding or opacity of the lens of the ey

inability to distinguish between certain colors; most common is red/green confusion; color vision is a function of the cones of the retina

double vision; perception of two images of a single object

group of diseases of the eye characterized by intraocular pressure from pathologic changes in the optic disc; persion has visual field defects

farsightedness; eyeball is shorter behind the retina; vision is better for distant objects than for near objects

nearsightedness; longer eyeball form front to back so the image is focused in front of the retina

night blindness; may be hereditary or related to vitamin deficiency

pertaining to the ey

physician who specializes in diagnosing and prescribing treatment for defects, injuries and diseases of the eye

the branch of medicine that deals with the anatomy, diagnosis, pathology and treatment of the ey

technician who prepares and adapts lenses fills prescriptions from an opthalmologist

a specialist in optometry the measurement of visual acuity and the adaptation of lenses for correction of visual defects

inflammation of the retina

noninflammatory disease of the retina; identified by the chronic disease of which it is a symptom; for example, diabetic retinopathy reflects the retinal manifestations of diabetes mellitus, including microaneurysms

a condition peculiar to premature infants, characterized by opaque tissues behind the lens resulting from a high concentration of oxygen, which causes spasm of the retinal vessels, leads to retinal detachement and arrests eye growth and development; prevetned by keeping oxytgen administration as low as possible and discontinuing the oxygen as soon as possible

graphic record of the findings of an audiometer

certified allied health worker often with advanced degrees; trained in identification, diagnosis, measurement and rehabilitation of hearing impairment

instrument used to determine degree and type of hearing ability

pertaining to the ear

unit of expressing the relative lloudness of a sound abbreviation dB

the sense by which sounds are perceived; conversion of sound waves into never impulses, which are then interpreted by the brain

inflammation of the ear

inflammation of the middle ear

physician specialist in otology, the branch of medicine dealing with the anatomy, physiology, pathology and treatment of the ear

recognizing spoken words by watching the speakers lips face and gestures

telecommunication device for the deaf

noise in the ears as ringing buzzing or roaring

text telephone device

instrument used to test for hearing loss;

ear drum vibrates when sound waves strike; transmit waves to nerve endings by way of ossicles in the middle ear and to cochlea in the inner ear

sensation of rotation or movement of one's self or of one's surroundings; a subtype of dizziness