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This is caused by diabetes, although having diabetes does not necessarily lead to sight loss. Diabetes can cause blood vessels that feeds the retina to break and this can interfere with vision. Blood clots and scars may form on the retina, blocking the light rays from hitting the retina and causing blind spots. Complete loss of vision can occur when scar tissue develops at the back of the eye, pulling at the retina and detaching it from the back of the eye. Preventing diabetic retinopathy or its advancement is helped by correct management of diabetes and regular eye check-ups with an ophthalmologist. The use of laser surgery can often be used to seal leaking blood vessels. Return to Vision Impairments Return to Dogs, Canes and Talking Microwaves main page Go to Association for the Blind of WA |