They can bleed or leak fluid into the vitreous, the gel-like fluid that fills the center of the eye, causing the floaters. It is caused by excessive eye pressure called neovascular glaucoma. Your ophthalmologist may also suggest a visit to your family physician to discover and manage any associated medical problems. There is no cure for retinal vein occlusion. Your ophthalmologist may recommend a period of observation, since hemorrhages and excess fluid may subside on their own Laser surgery improves sight in some patients with macular edema, but vision does not usually return entirely to normal.
Laser surgery is very effective in preventing vitreous hemorrhage and neovascular glaucoma.
However, it does not remove a hemorrhage or cure neovascular glaucoma once they are already present. It is best to treat people at risk for these complications before they occur. Your ophthalmologist will decide whether laser surgery is appropriate for you.