Back to AI Flashcard MakerAnatomy and Physiology /HOSA: Med Term Nerves & Special Senses pt 2 Part 5
HOSA: Med Term Nerves & Special Senses pt 2 Part 5
This deck covers key medical terms related to nerves and special senses, focusing on definitions and alternate names for various conditions.
define DIPLOPIA
perception of 2 images of single object & can be symptom of serious disorder like MS or tumor
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Key Terms
Term
Definition
define DIPLOPIA
perception of 2 images of single object & can be symptom of serious disorder like MS or tumor
define HEMANIOPIA
blindness in 1/2 vision field
define COLOR BLINDNESS
inability to perceive certain colors normally form absence/abnormal function of cones
define NYCTALOPIA
normal daytime vision but difficulty seeing @ night
aka: diplopia
double vision
aka: nyctalopia
night blindness
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| Term | Definition |
|---|---|
define DIPLOPIA | perception of 2 images of single object & can be symptom of serious disorder like MS or tumor |
define HEMANIOPIA | blindness in 1/2 vision field |
define COLOR BLINDNESS | inability to perceive certain colors normally form absence/abnormal function of cones |
define NYCTALOPIA | normal daytime vision but difficulty seeing @ night |
aka: diplopia | double vision |
aka: nyctalopia | night blindness |
define PHOTOPHOBIA | excessive sensitivity to light from migraines, excessive use of contacts, drugs, or inflammation |
describe PRESBYOPIA | common changes in eye w/age such as hyperopia from loss of elasticity in lens bc of age; associated w/declining near vision, less flexible lens, & ciliary body muscles weaker |
define STRABISMUS | eyes point in different directions or not aligned right bc of weak eye muscles so eyes cannot focus together |
define ESOTROPIA | inward deviation of 1 or both eyes |
define EXOTROPIA | outward deviation of 1 eye |
aka: strabismus | crossed eyes |
aka: esotropia | cross eyes |
aka: exotropia | wall eye |
describe REFRACTIVE DISORDERS | any disorder of irregular shaped lens & cornea so lens & cornea don't bend light to focus properly leading to blurred vision |
define AMETROPIA | any error of refraction where images don't focus properly on retina |
describe ASTIGMATISM | uneven curvature of cornea leading to blurred vision & can accompany nearsightedness or farsightedness |
define HYPEROPIA | generally shortened eyeball shape so light focuses behind retina making images close up blurry generally after 40 yrs |
aka: hyperopia | farsightedness |
describe MYOPIA | light focus in front of retina; gen around puberty |
aka: myopia | nearsightedness |
describe AMBLYOPIA | dimness of vision/partial loss of sight w/o disease in 1/both eyes from altered development in childhood |
aka: amblyopia | lazy eye |
define SCOTOMA | abnormal area of diminished vision surrounded by normal vision |
aka: scotoma | blind spot |
describe IMPACTED CERUMEN | accumulation of earwax as solid mass leading to otalgia, tinnitus, temporary hearing loss, & ear infection |
define OTALGIA | pain in ear |
aka: otalgia | earache |
define OTITIS | any inflammation of ear |
define OTITIS EXTERNA | inflammation of external auditory canal |