Back to AI Flashcard MakerAnatomy and Physiology /HOSA: Med Term Nerves & Special Senses pt 2 Part 4
HOSA: Med Term Nerves & Special Senses pt 2 Part 4
This deck covers important medical terminology related to nerves and special senses, focusing on conditions affecting the eyes. It includes definitions, descriptions, and key characteristics of various eye-related conditions.
describe IRITIS
most common form of uveitis that affects primary structures in front of eye w/ sudden onset for 6-8 weeks
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Key Terms
Term
Definition
describe IRITIS
most common form of uveitis that affects primary structures in front of eye w/ sudden onset for 6-8 weeks
define CORNEAL ABRASION
injury to outer layers of cornea
describe CORNEAL ULCER
open sore on cornea from injury/infection; if cloudy scar left it will impair vision
define KERATITIS
inflammation of cornea from bacterial/viral/fungal infection or other
describe KERATOCONUS
cornea irregular & cone-shaped leading to blurring & distorted vision
define SCLERITIS
inflammation of sclera from infection, chemical injuries, & autoimmune diseases
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| Term | Definition |
|---|---|
describe IRITIS | most common form of uveitis that affects primary structures in front of eye w/ sudden onset for 6-8 weeks |
define CORNEAL ABRASION | injury to outer layers of cornea |
describe CORNEAL ULCER | open sore on cornea from injury/infection; if cloudy scar left it will impair vision |
define KERATITIS | inflammation of cornea from bacterial/viral/fungal infection or other |
describe KERATOCONUS | cornea irregular & cone-shaped leading to blurring & distorted vision |
define SCLERITIS | inflammation of sclera from infection, chemical injuries, & autoimmune diseases |
define ANISOCORIA | pupils unequal in size from congenital, head injury, aneurysm, or pathology of CNS |
describe CATARACT | loss of transparency of lens from accumulation of protein in lens, age, congenital, injury, or disease leading to progressive loss of visual clarity |
define DIABETIC RETINOPATHY | damage to retina as complication of uncontrolled diabetes |
define ENDOPHTHALMITIS | inflammation of intraocular fluids |
describe FLOATERS | particles of cellular debris floating in vitreous humor causing shadows on retina appearing as squiggly lines, small specks, or hair-like strands; common; caused by retinal detachment, shrinkage & detachment of collagen fibers in vitreous humor, or happens normally |
aka: floaters | vitreous floaters |
define PHOTOPSIA | flashes of light from damage to eye or migraines |
define MIOSIS | contraction of pupil from light or drugs |
define MYDRIASIS | dilation of pupil from disease, trauma, or drugs |
describe NYSTAGMUS | involuntary, constant, rhythmic movement of eye leading to limited visual acuity from congenital disorder, neurological injury, or drug use |
describe PAPILLEDEMA | swelling & inflammation of optic nerve @ pnt of entrance through optic disk that increases intracranial pressure leading to swelling |
aka: papilledema | choked disk |
describe RETINAL DETACHMENT | emergency condition of separation of some/all of retina from choroid which can lead to complete detachment & blindness if untreated; s/s: floaters, flashing lights, shadows gradually obscure vision |
describe RETINITIS PIGMENTOSA | progressive degeneration of retina affecting night & peripheral vision & causes dark pigmented spots on retina |
describe RETINOBLASTOMA | rare eye cancer from growth of retinal cells; most common intraocular cancer in kids |
describe GLAUCOMA | group of diseases w/high IOP causing damage to retinal nerve fibers & optic nerve leading to eventual blindness; caused by blockage of fluid flow in & out eye |
describe OPEN ANGLE GLAUCOMA | most common; trabecular meshwork gradually blocked leading to pressure & not noticed until damage to optic nerve; detected thru eye exams |
aka: open angle glaucoma | chronic glaucoma |
describe CLOSED ANGLE GLAUCOMA | opening between cornea & iris narrows so fluid can't reach trabecular meshwork causing a sudden increase in IOP; s/s: severe pain, nausea, eye redness, blurred vision, & blindness |
aka: closed angle glaucoma | acute glaucoma |
describe MACULAR DEGENERATION | gradually progressive & incurable condition where macula @ center of retina is damaged leading to loss of central vision |
describe AGE RELATED MACULAR DEGENERATION (AMD) | leading cause of vision loss in ppl +60 yrs; starts in 1 eye & develops in other |
define DRY MACULAR DEGENERATION | 90% of all AMD w/slow deterioration of macula cells |
describe WET MACULAR DEGENERATION | advanced form of dry AMD where new vessels grow & leak causing damage to macular cells leading to rapid & severe vision loss |