If you fail your eyesight test, you will be recommended to take a more detailed eye examination to determine the cause of the failure. It can be due to diabetic retinopathy, cataract, glaucoma, or a refractive error in your eye lenses.
Yes, eye injection is one of the treatment options for diabetic retinopathy in which medications like corticosteroids or anti-vascular endothelial growth factor are injected...