Glaucoma Screening using Digital Fundus Image through Optic Disc and Cup Segmentation {tag} {/tag} IJCA Proceedings on International Conference on Computer Technology © 2015 by IJCA Journal ICCT 2015 - Number 6 Year of Publication: 2015 Authors: Megha L. Lotankar Kevin Noronha Kevin Noronha {bibtex}icct201580.bib{/bibtex} Abstract Globally, glaucoma is the major cause of visual impairment. It is a chronic eye disease in which optic nerve damages progressively due to the raised Intraocular Pressure (IOP) of the eye. The technique proposed in this paper allows automatic detection of the glaucoma using digital fundus image by extracting the features like vertical cup to disc ratio (CDR), its area ratio, horizontal to vertical CDR and the ratio of area of blood vessels in inferior-superior region to that in the nasal-temporal region of the Optic Disc (OD) (ISNT Ratio) by segmenting OD, cup and 1 / 4