<prompt> All of the following are the causes of exudative retinal detachment, EXCEPT:Sympathetic opthalmitisPosterior scleritisRetinopathy of prematurityOrbital cellulitis  <response>: Exudative Retinal Detachment: Retina is elevated due to the accumulation of fluid beneath it, associated with retinal pigment epithelium damage. Causes: Systemic disease like Toxaemia of pregnancy, Renal hypeension, Blood dyscrasias, Polyaeritis nodosa. Ocular diseases: 1 Inflammations: Haradas disease Sympathetic opthalmitis Posterior scleritis Orbital cellulitis 2 Vascular diseases: Exudative retinopathy of coats Central serous retinopathy 3 Neoplasms: Retinoblastoma exophytic Malignant melanoma of choroid Ref: A K Khurana, 5th Edition, Page 125 