Glaucoma is a multifactorial optic neuropathy, influences more than 50 million individuals and is the second driving reason for visual deficiencyaround the world. The part of intra Ocular Pressure (IOP) has been recorded as a noteworthy modifiable danger variable for glaucoma. Also, numerous glaucoma patients have low IOP, while some solid people have a moderately high IOP. The clutters can be separated into two primary classes, open-angle glaucoma and closed angle glaucoma. Disabled visual blood stream regulation in open angle glaucoma as a danger of glaucoma has been entrenched, particularly in the course of recent decades.