Abstract: Glaucoma is one of the major causes of blindness and it is most commonly found in diabetic patients. Many people suffer from eye diseases throughout the world. Glaucoma leads to cause of permanent blindness worldwide. The method proposed for the detection of glaucoma includes optic disc segmentation and cup segmentation techniques considered relevant by glaucoma experts. The aim of this paper is to find the cup to disc diameter ratio of glaucoma patient and check the level of glaucoma. If the cup to disc ratio is more than 0.3 it indicates high glaucoma for the tested patient .

Keywords: Glaucoma, optic disk, optic cup, OD segmentation, cup segmentation, cup-to-disk diameter ratio.