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Abstract Glaucoma diagnosis, management and research depend on complex judgments of the optic disc (or optic nerve head), visual field and intraocular pressure. The current standard of optic disc evaluation requires qualitative observer judgments of stereoscopic photographs of the optic disc, a less than optimal method. Despite much research, no methods have yet conclusively improved over this conventional Approach: Contemporary optic disc analyzers typically use instrument-specific image capture methods and derive quantitative estimates for various anatomical features of the optic disc.