Glaucoma is a group of ocular disorders which apparent grey–green colour of the eye suffering from an attack of acute narrow-angle glaucoma. Several pathologists characterised the diseases result in due to raised intraocular pressure. Glaucoma broadly classified into two main categories such as open angle and closure angle. Open angle glaucoma is pain less does not show any of the symptoms during as disease progress. Closed angle or closure angle show symptoms like redness of eye, nausea, vomiting.