1. A retinal disease analyzer comprising: a feature extracting unit for determining maculalutea and optic-disc positions from retinal image data of a subject; a nerve fiber bundle distribution pattern forming unit operatively connected to the feature extracting unit for forming a distribution pattern of the subject's optic nerve fiber bundle based on the macula-lutea and optic-disc positions; an image data processing unit for extracting data of defects caused by a fundus disease from the retinal image data; and an analyzing unit operatively connected to the image data processing unit for mutually relating the data of defects based on the optic nerve fiber bundle distribution pattern, for analyzing data of defects caused by a fundus disease from the retinal image data.