Posterior vitreous detachment Flashcards
1
Q
What is posterior vitreous detachment?
A
separation of the vitreous membrane from the retina
2
Q
What causes posterior vitreous detachment?
A
natural changes to the vitreous fluid of the eye with ageing.
3
Q
Posterior vitreous detachment is a common condition that does not cause any pain or loss of vision. TRUE/FALSE?
A
TRUE
4
Q
Complication of vitreous detachment
A
- can lead to tears and detachment of the retina
(which can cause loss of vision)
5
Q
Common demographic for posterior vitreous detachment
A
> 65 years
More common in females
6
Q
Are myopic or hypermetropic patients more likely to develop vitreous detachment?
A
Highly myopic (near-sighted)
- as the eye has a longer axial length
7
Q
Clinical features of posterior vitreous detachment
A
- floaters
- Flashes of light
- Blurred vision
- Cobweb across vision
- dark curtain descending down vision
8
Q
Signs of retinal detachment on fundoscopy
A
Weiss ring
9
Q
Posterior vitreous detachment
A
- Symptoms gradually improve over a period of around 6 months
=> no treatment is necessary.
Surgery if associated retinal tear
