Evolve Diabetes Practice Test 2026 - Free Diabetes Questions and Study Guide

Long-standing diabetes commonly causes microvascular damage that affects the eyes. Prolonged high blood glucose levels harm the tiny blood vessels in the retina, leading to diabetic retinopathy. This damage can cause blurred, spotty, or hazy vision as blood vessels leak, swell, or form areas of unreliable blood flow, distorting visual information. Vision changes may appear gradually and can fluctuate with blood glucose control, making eye problems a frequent early sign of long-term diabetes. Cataracts and other lens changes can also occur with diabetes, but the classic finding described here is blurred vision from retinal vascular damage. Other options don’t reflect the most typical long-term eye-related change: neuropathy usually lowers reflexes rather than making them hyperactive, and dependent pallor or arthritic hand changes are less directly tied to the common retinal complications seen with years of diabetes.