Bevacizumab injection is given to treat eye disease to block the abnormal growth of blood vessels in the back of the eye. The abnormal growth can block the vision and cause blood leaks in the eye resulting in vision loss. \
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The medicine takes approximately one month to show effect and improves vision. Though this depends upon your doctor and if they deem you fit for the eye injection. Patients with central retinal vein occlusion, myopic choroidal neovascularization, diabetic retinopathy, and other eye conditions are given bevacizumab injections.