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NR 325 - Lecture Notes - Exam 222 (1). CA$11.57   Add to cart

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NR 325 - Lecture Notes - Exam 222 (1).

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NR 325 - Lecture Notes - Exam 222 (1).

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  • August 5, 2024
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  • 2024/2025
  • Exam (elaborations)
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NR 325 - Lecture Notes - Exam 222
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
- lights off/quiet
- focused and calm

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