Was individual's eye massaged to encourage movement of the blockage? If you have diabetes, it is important to keep it under control to prevent clots from forming. Euro J Ophthalmol 2010 May 28 pub. The blockage is called an occlusion. Source: American Academy of Ophthalmology Central Retinal Vein Occlusion CRVO Central retinal vein occlusion CRVO causes sudden, painless vision loss that can be mild to severe. Your ophthalmologist will discuss with you if you need treatment and which treatment they would recommend for you. One theory is that a vitrectomy may relieve traction on the macula and, thus, reduce macular enema. Radial optic neurotomy ROM 44, 45, 46, 47, 48, 49 is a new acupressure surgical technique in which a microvitreoretinal blade is used during pars plan vitrectomy to relax the scleral ring around the optic nerve. Degree of vision loss likely will be related to the location of the occlusion. Fluorescein angiogram of a patient with nonischemic central retinal vein occlusion, showing staining of dilated tortuous veins with leakage into macula in a cystoid pattern.
In simple terms, these are conditions that can block or restrict the blood flow throughout your eye structures and lead to vision loss or blindness. It does so by preventing the fluid backup caused by the blocked vessel. Ogura Y, raider J, Korobelnik HF, Holm FM, Simader C, Schmidt-Erfurth U, et al.