see also: [[Retinal detachment]]
#incomplete
> retinal detachment can cause associated vitreous haemorrhage
**associations**
- trauma
- diabetes
- coagulopathies
- posterior vitreous detachment
- retinal detachment
- prior [[Central retinal vein occlusion]]
**Assessment**
- RAPD is usually absent
- may be preceded by large black floaters
**Ultrasound**
# posterior vitreous detachment
- vitreous is attached in a band extending 360 deg around the anterior limits of the retina
# management
- needs ophthal review to evaluate for retinal detachment