Chap 53 BOCES vis/aud
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Created by:
rebeccareighard on March 8, 2012
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14 terms
Terms | Definitions |
|---|---|
 Conductive Hearing Loss | sound is inadequately conducted through the external or middle ear to the inner ear |
| Common causes of conductive hearing loss are | build-up of cerumen and media otis, foreign bodies and otosclerosis |
| Sensorineural Hearing Loss | a defect in the inner ear results in distortion of sounds |
| Common causes of sensorineural hearing loss are | trauma, infections, presbycusis, or exposure to ototoxic drugs |
| Mixed hearing Loss is | a combination of conductive and sersorineural hearing loss |
| Congenital Hearing Loss | is present from birth or early infancy, can be caused by anoxia or trauma, rh incompatibility, syphilis/rubella or ototoxic drugs |
| Functional Hearing Loss | has no organic cause, also known as psychogenic or nonorganic hearing loss. Maybe caused by an emotional or psychological trauma |
| Physiology of vision | refraction, accomidation, constriction and convergence |
| Keratoconjunctivitis Sicca means | dry eyes |
| POAG stands for | primary open angle glaucoma, progressive and results from degenerative changes |
| AACG stands for | acute angle closure glaucoma, abrupt angle change of the iris, causing rapid vision loss and dramatic symptoms |
| POAG symptoms | none in early stages then loss of peripheral vision, eye pain, halos |
| AACG symptoms | excruciating pain in or around the eye, decreased vision, n/v, erythema, enlarged pupil |
| optic disk cupping | when the disk becomes wider, deeper, and paler, one of the first signs of OAG |
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