Glaucoma is one of the leading causes of irreversible blindness in the world. Visual loss is preventable with early diagnosis and treatment. Glaucoma is called “Silent Thief Of Sight” because it is symptomless and irreversible. The person with glaucoma is usually unaware of it until much loss of vision has occurred. Glaucoma damages the optic nerve due to high pressure within the eye leading to irreversible defects in the field of vision. Just like blood pressure is checked regularly. The intraocular pressure should be checked for every individual undergoing eye examination. Individuals with family history of glaucoma, diabetes, hypertension and far sightedness or plus number should undergo glaucoma test