Ophthalmology Flashcards
1
Q
association of upward and downward lens dislocation
A
upward - Marfans (defect in fibrillin-1 gene)
downward - homocystinuria
2
Q
in what disease are Drusen seen
A
Dry macular degeneration
3
Q
risk factors for macular degeneration
A
age female sex increased cumulative sun exposure FH smoking caucasians
4
Q
What is a Holmes-Adie pupil?
A
dilated pupil, associated with absent ankle reflexes
unilateral 80%
slowed pupillary movements.
benign
5
Q
features of herpes zoster ophthalmicus
Mx
A
reactivation of VZV in ophthalmic division of the trigeminal nerve
vesicular rash around the eye and on tip of nose (Hutchinson’s sign)
Mx oral aciclovir (inactivates DNA polymerase)
ocular involvement –>ophthal rv
6
Q
risk factors for central retinal vein occlusion
A
glaucoma
hypertension
polycythemia
retinal haemorrhages seen on fundoscopy
