Monthly eye injections of Avastin (bevacizumab) are as effective as the more expensive drug Eylea (aflibercept) for the treatment of central retinal vein occlusion (CRVO), according to a clinical trial funded by the National Eye Institute (NEI), part of the National Institutes of Health.

How long does Avastin injection work?

By one month the drug should be working. Many people will notice some improvement in vision. Generally this improvement is temporary, and the injection may be offered again months later. The macular oedema reduces, with a maximum reduction at 2 weeks, and starts to wear off after 3 months (see).

What does Avastin injection do?

Avastin is a drug that is injected into the eye to help treat from eye diseases. The drug blocks the growth of abnormal blood vessels in the back of the eye. Those blood vessels can leak and affect vision, causing vision loss. Avastin is the brand name for the drug, which is called Bevacizumab.