INS and blindness (disorder): Diabetes is a metabolic syndrome that arises mainly due to deficiencies in insulin activity, insulin secretion, or both.1 This disorder can cause serious problems that affect human health.2 Over the long term, uncontrolled diabetes can lead to several chronic complications, including renal failure, heart disease, and blindness.3 Statistically, 8.8% of the world’s population in 2015 exhibited the symptoms of this disease, and this percentage is predicted to rise to more than 10.4% by 2040.4