Nearly 100 million people worldwide now suffer from diabetic retinopathy and up to 180 million are estimated to have the condition in another 20 years, according to a study in Diabetes Care. Researchers also found that 77.3% of type 1 diabetes patients have the condition, compared with only 25.2% of patients with type 2 diabetes. The eye disease appeared to be most prevalent among blacks and least common among Asians, researchers added.

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