@article{oai:hirosaki.repo.nii.ac.jp:00003587,
 author = {Ohguro, Ikuyo and Ohguro, Hiroshi and Ohguro, Hiroshi and Nakazawa, Mitsuru},
 issue = {1},
 journal = {弘前医学},
 month = {Aug},
 note = {application/pdf, Purpose: To describe optic disc characteristics assessed by evaluation of clinical optic disc photographs and to utilize these findings to differentiate glaucoma patients and normal subjects. Patients and Methods: A total of 329 eyes of 329 glaucoma patients and 220 eyes of 220 normal subjects were included. The disc diameter to disc-to-macula distance ratio (DD/DM ratio), cup-to-disc diameter ratio (C/D ratio), disc hemorrhage (DH), and nerve fiber layer defect (NFLD) were quantitatively measured on photography. Results: The horizontal and vertical DD/DM ratios and C/D ratios were significantly larger in glaucoma patients than those in normal subjects (P<0.05, P<0.0001). An increase in horizontal and vertical C/D ratios with increasing DD/DM ratio was observed in both groups, but the regression lines were steeper in normal subjects than that in glaucoma patients. Disc hemorrhages (3.3%) and NFLD (37.1%) were seen in glaucoma patients in contrast to none in normal subjects (P<0.0001). Conclusions: Paying attention to three factors -C/D ratio relative to disc size, DH and NFLD- may be a clinically easy method to distinguish glaucoma patients from normal subjects by fundus photograph., 弘前医学. 57(1), 2005, p.27-34},
 pages = {27--34},
 title = {Optic Disc Characteristics Assessed by Evaluation of Clinical Optic Disc Photographs in Glaucoma Patients},
 volume = {57},
 year = {2005}
}