Abstract

Diabetes is a chronic metabolic disorder and it has its effects in the eye causing various ocular complications. It is also found that diabetes causes changes in the corneal morphology. Corneal components such as epithelium, endothelium, nerves, and immune cells are affected by hyperglycemia. These changes cause a significant effect on vision in individuals with diabetes. Assessment of corneal parameters like central corneal thickness and corneal topography changes related to diabetes are essential in patients undergoing modern-day cataract surgery like phacoemulsification. Systemic condition like diabetes along with cataract surgery like phacoemulsification can influence corneal healing and fluid balance leading to changes in corneal thickness. Postoperative changes in the cornea are also important to assess the corneal health after the surgery. Comparison of preoperative and postoperative corneal measurements help in assessing the effect of phacoemulsification and health status of the cornea. Study of these changes help in preventing complications and effect on visual outcome and specialised management for individuals with diabetes undergoing cataract surgery. In diabetic patients the risk of intraoperative and postoperative complications in cataract surgery increases compared to non diabetic patients. The aim of the study is to compare corneal curvature and astigmatism by corneal topography and central corneal thickness in diabetic patients and controls before and after phacoemulsification. CTRI registration number: REF/2023/08/071341

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