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How Does Diabetes Affect Glaucoma?

Diabetics are prone to proliferative retinopathy, the condition of a damaged retina caused by high blood glucose. If proliferative retinopathy is left untreated, it often leads to glaucoma or even loss of vision.

  1. About Proliferative Retinopathy

    • A prolonged condition of high blood-glucose levels can damage blood vessels in the retina. The eye will then form new blood vessels and scar tissue as an attempt to heal. But instead, those new blood vessels often pull on the retina and cause it to rip.

    The Link Between Proliferative Retinopathy and Glaucoma

    • Glaucoma is caused by too much liquid and pressure inside the eye, leading to damage in the optic nerve. When you have proliferative retinopathy, the new blood vessels and scar tissue will obstruct the liquid drainage and thus increase pressure inside the eye.

    Signs of Proliferative Retinopathy and Glaucoma

    • Proliferative retinopathy usually causes blurred or fluctuating vision, whereas glaucoma may result in cloudy vision, light sensitivity and excessive tears. However, some people with these diseases may not develop any symptoms at all in the beginning.

    Glaucoma Treatment

    • Retinopathy-related glaucoma in an early stage can be treated by laser to eliminate the growth of blood vessels. However, if permanent scarring already occurred, you may need major eye surgery.

    Glaucoma Prevention

    • Since glaucoma in most diabetics is linked to proliferative retinopathy, it is wise to try to control your blood-sugar levels and have regular eye examinations.

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