Exam (elaborations)
NR 325 - Lecture Notes - Exam 2 (1).
NR 325 - Lecture Notes - Exam 2 (1).
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NR 325 - Lecture Notes - Exam 2- fuzziness to your lens
- distorts your vision - ANS-Cataracts
- age
- trauma
- radiation/UV
- TAKE CARE OF YOUR EYES
- can be genetic - ANS-Cataracts (Cause)
- foggy vision
- night vision is worse - ANS-Cataracts (S/S)
- vitamin a, e and c can be helpful
- increase the lights in the room
- use magnifying glass/prescription glasses - ANS-Cataracts (Interventions)
- slit lamp microscope
- glare test - ANS-Cataracts (Diagnosis)
- no straining
- reduce pressure
- eye drops
- eye patch - ANS-Cataracts (Post Op)
- build up of aqueous humor
- fluid is not escaping
- hair in sink, clogged and water won't go down - ANS-Glaucoma
- unclog trabecular meshwork
- slow process
- don't notice until vision loss
- tunnel vision
- once vision is gone it doesn't come back
- 22-23 mm of mercury in eye - ANS-Primary Open Glaucoma
- angle is closed
- acute
- painful
- pressure is greater than 20 mm of mercury
- medical emergency - ANS-Primary Close Glaucoma
, - decrease inflow or increase outflow
- trabeculoplasty (hole in mesh)
- betablocker eye drops (contraind. in cardio and resp), myotic eye drops
- watch blood pressure
- diagnosed with machine that blows air in the eye - ANS-Primary Open Glaucoma:
Interventions
- decrease pressure asap!
- myotic eye drops - constrict
- hypertonic saline
- decrease fluid
- iriotomy (hole in iris) - ANS-Primary Close Glaucoma: Interventions
- retina tears first
- aqueous humor goes in and tears it
- floaters, flashers
- curtain falling across vision
- can be treated with scleral buckling or photocoagulation - ANS-Retinal Detachment
- if the top detaches you lose the bottom vision
- if the bottom detaches you lose the top vision - ANS-Retinal Detachment (Vision Loss)
- lose central vision
- first you get dry and then if not treated it turns into wet
- no cure
- medication can dry up blood vessels - ANS-Macular Degeneration
- 5-7 days afterward you need to be completely covered
- you will burn from the inside
- macular degeneration therapy - ANS-Photodynamic Therapy
- vertigo
- tinnitus
- hearing loss
- n/v
- can cause disability
- nothing can diagnose it, just a guess after ruling everything out - ANS-Meniere's Disease
- lasix
- antihistamines
- low sodium diet
- decrease caffeine
- lights off/quiet
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