Retinal Signs
Source: Retinagallery.com
Hard exudates are lipid deposits that are produced by lipoprotein leakage from blood vessels.
Cotton wool spots are a superficial retinal infaction appearing as a fluffy white lesion.
Neovascularisation
Source: retinagallery.com
Iris rubeosis
Source:
Iris rubeosis occurs when new vessels grow on the iris in response to severe retinal ischaemia. They can block the trabecular meshwork and aqueous outflow, causing raised intraocular pressure and glaucoma.