EENT - eye

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  • Created by: Rscottqub
  • Created on: 07-01-20 15:38
Xanthelamata
yellow plaques in the periorbital region. composed of lipids . send for chloestrol level check
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treatment of xanthelamata
surgery to remove
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Glaucoma
group of diseases resulting in optic nerve damge and visionary loss.
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main cause of glaucoma
increase in IOP , weak optic nerve
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normal IOP
10-15mm Hg
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raise IOP
>21mmHg
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types of glaucoma (4)
secondary, cogenital, Angle closure* , chronic angle open*
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Chronic angle open glaucoma
COAG , aka primary glaucoma
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COAG
angle open, but aq humour outflow is obstructed resulting in increase IOP and then damge to optic nerve
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COAG is the most
common type
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COAG affects M+F
equally and normally both eyes are effected
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Symtoms
at 1st symptomless- 40% sight may be lost before many ppl seek help. Then tunnel vision
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optic disc changes in COAC
cupping or pallor can occur
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COAG risk factors
1. racial background 2. age 3. severe shortsighntness 4. high IOP 5. fam history
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COAG treatment 1st line
prostaglandin analogues or prostamides (bitmatoprost)
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things that may occur by using prostaglandin analogues or prostamides
lengthening,thickening and darkening of eyelashes . Brown pigmentation of iris
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2nd line treatment no 1
B blockers i.e timolol . These wore by reducing production of aq humour
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2nd line treatment no 2
sympathomimetics - lower IOP by reducing inflow and increasing outflow of aq hum
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2nd line no 3
carbnonic anhydrase inhibitors , brinzolomide - decrease amount of aq humour produced
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if COAG treatment by drugs fails
laser treatment or surgey
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Angle closure glaucoma
ACG- angle closed which blocks outflow of aq humour preventing drainage
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symptoms of ACG
painful eyes, impaired vision, headache, nausea and vom
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ACG risk factors
increasing age , race, female, fam history
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ACG treatment
classed as a medical emergency. 1drop pilocarpine or acetazolamine 500mg tab . laser surgery
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medcines to avoid
antihistamines, anticholinergens , sympathomimetics
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cattaracts
clouded lens
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ARMD
age related macular degeneration
27 of 28
macula
central part of retina , loss of central vision
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Other cards in this set

Card 2

Front

treatment of xanthelamata

Back

surgery to remove

Card 3

Front

Glaucoma

Back

Preview of the front of card 3

Card 4

Front

main cause of glaucoma

Back

Preview of the front of card 4

Card 5

Front

normal IOP

Back

Preview of the front of card 5
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