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Vision & Hearing
| Term | Definition |
|---|---|
| Snellen's Chart | visual acuity tool which has alphabetical letters graduating in size from the smallest on the bottom to the largest on the top. |
| tropia | deviation of the eye away from the visual axis |
| esotropia | deviation of the eye toward the nose |
| exotropia | movement of the eye in a lateral direction |
| hypotropia | movement of the eye in a downward deviation |
| consensual response | any reflex observed on one side of the body when the other side has been stimulated. |
| accomodation | the ability of the pupil to respond to near and far distances |
| arcus senilus | bilateral opaque whitening of the outer rim of the cornea, which is usually seen in individuals older than 40 years of age. |
| ophthalmoscope | the handheld instrument with a light source used to examine the internal eye. |
| ophthalmologist | a physician who specializes in diagnosing and prescribing treatment for defects, injuries, and diseases of the eye, and is skilled at delicate eye surgery, such as that required to remove cataracts |
| optometrist | one who specializes in eye examinations to identify visual defect, diagnose problems, prescribe corrective lenses or other treatments, and refer for medical treatment. |
| optician | one who is trained to grind and fix lenses according to prescriptions written by the ophthalmologist . |
| otorrhea | discharge |
| otalgia | ear pain |
| tinnitus | ringing, buzzing, or roaring in the ears. |
| vertigo | dizziness |
| ototoxic | having a damaging effect upon the eighth cranial (vestibulocochlear) nerve or on the organs of hearing and balance |
| Rinne Test | acuity testing that is useful for differentiatng between conductive and sensorineural hearing loss. |
| Weber Test | test for hearing, to detect unilateral (one-sided) conductive hearing loss (middle ear hearing loss) and unilateral sensorineural hearing loss (inner ear hearing loss). |
| Romberg's Test | test used to assess vestibular function, by having the client to stand with their feet together, first with eyes open and then with eyes closed. |
| diplopia | double vision |
| exteroceptors | sensory receptors located close to the body surface and are sometimes referred to as cutaneous receptors |
| ptosis | drooping eyelid |
| refraction | an eye exam that measures a person's prescription for eyeglasses or contact lenses. |
| tinnitus | abnormal ringing sound or noise to the ears |
| trachoma | a contagious bacterial infection that affects the surface of the eyes |
| visceroceptors | receptors that are located internally and provide information about the environment around the viscera |
| visual acuity | the extent to which an eye is capable of resolving fine detail |
| myopia | nearsightedness |
| macular degeneration | a disease causes loss of visual acuity and central vision in older persons |
| Psoriasis | skin disorder which causes silvery plaques and is a chronic inflammatory disease usually developed in the teen years |
| furuncles | skin lesions that are usually caused by Staphylococcus aureus |
| melonoma | the most serious type of skin cancer |
| scabies | type of parasite that causes infection by burrowing in the skin and there is presence of fecal material |
Created by:
DocMorris
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