Hyphaema is blood in ant chamber of eye it may appear as a reddish tinge or may appear as a small pool at the bottom of iris or in the cornea as of 2012 the rate of hyphemas in USA are about 2casesse per 10000 per annullay commonest causes  intraocular surgery blut or lacerated trauma spontaneous hypema due to neovascularization iris melanoma uvytis vascular abnormalities tumors of eye  vascular abnormalities    Additional Causes  rubeisis iridis myotonic dystrophy leukemia haemophilia  drugs which are blood thinning aspirin warfarin alcohol may also cause hyphema     can lead to rising of iop uncomplicated hyphema resolves in 5 to 6 daus   long standing hyphena can lead to hemosiderosis and heterochromia    hyphema in sickle cell desease takes long time and can lead to complications due to abnormal RBC Share your views.