1. very low 2. usually very benign, its common and by itself not very concerning 3 WWOP is extremely common, increases as we get older and incidence range from 20-60% It usually does not cause any problem. 3. No no reason. 4. WWOP and WWP (with pressure) are merely the appearance of the retina and do not require any treatment, there is in fact no specific treatment for WWOP or WWP.