Guarding against diabetes-linked eye disease

A metabolic disease that affects the control of sugar in our bodies, diabetes can result in complications such as blindness, kidney failure and gangrene, consequently requiring amputations. It also makes diseases like heart attacks and strokes more common.

Diabetic retinopathy, a form of microvascular disease, stems from ischaemia , which can eventually result in the sprouting of abnormal blood vessels in the retina and elsewhere. Yet other diabetes sufferers lose vision at an earlier stage through diabetic maculopathy, where the macula, an area of the retina akin to its"heart", becomes swollen. Diabetes, as mentioned above, also increases the likelihood of getting cataracts and glaucoma.

Once signs of diabetes-related eye diseases are detected, it is important to then present to an eye clinic for further management, which may include more frequent eye examinations or commencement of treatment. Fast forward to November 2019, and I found myself rather piqued in my eye clinic by a recent case of a patient who consulted me for a second opinion for a cataract operation.

For this patient, these tests yielded evidence of mild diabetic retinopathy but under-the-radar sub-optimally controlled diabetes.

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