At these intersections are frequent trouble spots. In the affected cells of the retina. These changes result in blurred vision which is sometimes temporary, sometimes permanent. Seventy five percent of patients with B.V.O. have high blood pressure. Other diseases which predispose to this condition are diabetes, diffuse hardening of the arteries and other blood diseases.
Every case is different.
Macular edema, due to persistent swelling from the damaged vessels and, 2. Neovascularization, which is the growth of new, abnormal blood vessel networks. These nets are fragile and tend to leak fluid and blood, thereby causing blurred vision. Some improve during the first few weeks to months. Many cases get better on their own, simple observation is appropriate at first.