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