Prognosis
Vision does improve in almost all cases. Rarely a patient may suffer permanent visual loss
Rarely, coexisting vasculitis may cause neurological complications. These occurrences can start with mild headaches that steadily increase in pain and threshold and include attacks of dysesthesia. It has been found that this type of deterioration happens usually if the lesions involve the fovea.
Read more about this topic: Acute Posterior Multifocal Placoid Pigment Epitheliopathy