Glaucoma is the second leading cause of blindness worldwide, affecting over 74 million people, nearly 10% of whom are blind. Prevalence of glaucoma among Indians is between 2.6-4% but only 7% of those affected utilize medical assistance. Glaucoma involves damage to the optic nerve from increased fluid pressure in the eye, resulting in irreversible vision loss if left untreated. The most common type is primary open-angle glaucoma, which has few symptoms and gradual damage, while primary angle-closure glaucoma causes sudden severe eye pain and vision loss. Risk factors include age over 40, family history, ethnicity, high eye pressure, diabetes, and steroid use. Glaucoma is detected through