Increased disk size in glaucomatous eyes vs normal eyes in the Reykjavik Eye Study

Lan Wang, Karim F. Damji, Rejean Munger, Fridbert Jonasson, Arsaell Arnarsson, Hiroshi Sasaki, Kazuyuki Sasaki

Research output: Contribution to journalArticlepeer-review

32 Citations (Scopus)


PURPOSE: To evaluate the use of disk diameter as an indicator in the identification of glaucomatous optic neuropathy. METHODS: We evaluated all available stereofundus photographs for 1,040 right eyes obtained in the Reykjavik Eye Study. Horizontal and vertical disk diameters were determined in a masked manner by a glaucoma specialist (K.F.D.). All disk diameters were corrected for refractive error. RESULTS: There were significant differences (P < .05) between the corrected vertical disk diameters of normal subjects (0.189 ± 0.018 inches) and those suspected of having glaucoma (0.202 ± 0.020 inches) as well as between the normal and the glaucoma groups (0.206 ± 0.029 inches). The corrected horizontal measurement showed the same pattern. CONCLUSIONS: In the Reykjavik Eye Study, optic disks meeting structural criteria for glaucoma are significantly larger than normal nerves.

Original languageEnglish
Pages (from-to)226-228
Number of pages3
JournalAmerican Journal of Ophthalmology
Issue number2
Publication statusPublished - 1 Feb 2003
Externally publishedYes


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