12.2 Vitreous B
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What is the other name for flashes?
What are flashes associated with? (2)
- retinal traction
- non-ocular causes
What are some examples of non-ocular causes of flashes?
- neurological e.g. brain tumours
- vascular triggers
What are floaters? (2)
- little 'cobwebs' or 'things' that float in the visual field
- and moves when the eye moves
What is Shafer's sign?
- "tobacco dust"
- clumping of pigmented cells in AC, on lens
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