Opthalmology Flashcards
1
Q
Angioid retinal streaks
A
Dark red streaks radiating from optic nerve head
Assoc with: Ehler-Danlos Pagets Sickle cell Acromegaly
2
Q
Causes of Optic Atrophy
- ICING
A
ISchaemia
Compressed nerve
ICP raised
Neuritis
Glaucoma
Toxins - tobacco/methanol/arsenic/quinine
nutritional - B1,2,6,12 deficiency
Congenital:
- Fredieichs ataxia
- mitochndrial - ebers optic atrophy
- DIDMOAD
3
Q
Retinitis pigmentosa
A
Night blindness + Tunnel vision
4
Q
Hypertensive retinopathy stages
A
Stage 1 - silver wiring
Stage 2 - AV nipping
Stage 3 - CW spots/blot haemorrhages
Stage 4 - pappiloedema
5
Q
Acute angle closure glaumcoma RF/triggers
A
Hypermetropia
Pupillary dilatation
topiramatre
Age
6
Q
Post vitreous detatchment vs Retinal detatchment vs vitreous haemorrhage
A
Post - VD:
- Moist common causes of flashes + floaters
RD:
- Dense shadow = periph –> central
- “weil/curtain over vision”
- Central LOV
Vitreous haemorrhage:
- Sudden visual loss
- cant see retina
- loss of light reflex
- dark spots/floaters.
7
Q
Thyroid eye disease - urgent opthal review
A
unexplained deterioration in vision noticed change in colour vision hx of eye popping out corneal opacity cornea exposed wher eye closed disc swelling
