Common Medical Retinal Diseases Flashcards
1
Q
For >50’s what is the leading cause of vision loss?
A
AMD
2
Q
Is AMD unilateral or bilateral?
A
Unilateral
3
Q
Features of dry AMD on fundoscopy (3)
A
Drusen/colloid bodies
RPE/Choroidal atrophy
Pigmentary changes
4
Q
What % AMD is dry
A
90%
5
Q
Sx Dry AMD
A
Slow + gradual loss central vision
‘Gaps is words’
‘Distorted vision’
6
Q
What occurs in Wet AMD
A
Choroidal neovascularisation - formation of new BV under the retina which leak, bleed + scar
7
Q
WHat % patients with wet AMD will lose their sight in a year?
A
50%
8
Q
RF AMD (5)
A
Age Genetics - Asian Smoking CVD - HTN/Hyperlipidaemia Antioxidant levels in blood
9
Q
Evaluation AMD (4)
A
Visual acuity
Reading speed
Contrast sensitivity
Amsler grid - central visual field
10
Q
Ix AMD (5)
A
Fundus photos Fluorescein ICGA OCT USS
11
Q
Tx dry AMD (4)
A
Vit C, E, Zn, B carotene
Intrautreal lamp
Smoking cessation
Alizumab
12
Q
Tx wet AMD (4)
A
Argon laser
PDT Visudyne
Anti-VEGF
PDGF
