retinal vascular disease Flashcards
1
Q
most common symptom of diabetic retinopathy
A
NO SYMPTOMS!
only symptoms later stage of disease
2
Q
2 common symptoms of diabetic retinopathy when you have symptoms are
A
blurred vision
floaters
3
Q
pathophysiology of DR
A
- cap membrane thickens
- pericytes lost
- BRB lost
- retinal vascular dysfunction
4
Q
Non proliferative diabetic retinopathy
A
damage to blood vessels
5
Q
what causes the leaking/macular edema
A
microaneurysms
6
Q
classic signs of severe NPDR
A
- Venous bleeding
- Intraretinal microvascular anomalies
7
Q
what is the most common cause of vision loss in Diabetic retinopathy
A
macular edema
8
Q
2 ways to treat macular edema - in non-proliferative retinopathy
A
- laser
- anti-vegf intravitreal injections
- steroids
9
Q
ways to treat proliferative DR
A
- PRP photocoagulation - laser bulk of peripheral retina
if with mac edema add antiVEGF
10
Q
what are the 3 complications of PDR
A
- Vitreous hemorrhage
- Retinal detachment
- Neovascular glaucoma
11
Q
Main complication of CRVO - central retinal vein occlusion
A
- Neovascularization at the iris - glaucoma
12
Q
Main complication of BRVO
A
macular edema/ischemia -
13
Q
Main work up for CRAO
A
- cherry red spot
- edema
- check atherosclerotic risk factors
- R/O GCA
