 20 to 25 patients suffering from Irvine Gass Syndrom should be monitored for at least six months, controlled monthly. In all cases best corrected visual acuity, Spectralis-OCT volume thickness scan, fundus photography Optomap, intraocular pressure, slitlamp assessment and indirect ophthalmoscopy should be performed on every visit. Fluorescein angiography should be performed at baseline and after 3 and 6 months. 