A New Reproducible Method of Measuring C/D Ratio of Digital Stereo Images of Optic Disc
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500 consecutive digitalized optic disc photos of 250 patients attending the Glaucoma Service between 1996-2012 will be extracted from a database of optic disc photos at the Glaucoma Service of the Ophthalmology Department, Meir Medical Center, Kfar Saba, Israel.
Patients who attended the Glaucoma service Patients with at least one pair of documented digital stereo optic disc images Satisfactory Quality of image allowing Cup Disc Ratio Evaluation
Unsatisfactory Quality of image allowing Cup Disc Ratio Evaluation Novel software technique unable to process or analyze the image