Importance of Eye Dilating Drops (Pupil Dilation) Eye dilating drops are very important for a complete and accurate eye examination, especially in patients with diabetes, poor vision, or eye deviation (squint). 👁️ Why doctors dilate the eyes 1️⃣ Clear view of the retina Dilation opens the pupil, allowing the doctor to see: Retina Macula (center of vision) Optic nerve Small pupils can hide serious diseases. 2️⃣ Early detection of eye diseases Eye dilation helps detect: Diabetic retinopathy Macul