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Epidemiology of glaucoma in a Hokkaido community Harumi Katsushima 1 , Hiroko Okazaki 1 , Akira Takeda 1 , Futaba Aizawa 2 , Yoshihiko Shiose 3 1Dept of Ophthalmol, Sapporo Med Coll 2Det of Ophthalmol, Sapporo Municipal Hosp 3Aichi Prefectural Center of Health Care pp.525-529
Published Date 1989/4/15
DOI https://doi.org/10.11477/mf.1410210714
  • Abstract
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We conducted a survey of glaucoma in Makkari, Hokkaido. Out of 1,476 inhabitants aged 40 years or more, 577 (39.1%) complied with the health-check program. The first screening was conducted with the use of autorefractometry, visual acuity testing, non-contact tonometry, slitlamp microscopy, assessment of the chamber width by van Herich method and fundus photography for each subject. Intraocular pressure was rechecked with applana-tion tonometer when the measured value was above 18mmHg by noncontact tonometry. Glaucoma sus-pects, or those with intraocular pressure above 21mmHg or with pathological fundus findings, under-went through the second phase procedure of visual field testing using the Humphry perimeter with central screening program.

The survery resulted in identifying primary open angle glaucoma in 9 cases 12 eyes (1.0%), its sus-pect in 1 case 2 eyes (0.2%), low-tension glaucoma in 13 cases 18 eyes (1.3%), its suspect in 13 cases 15 eyes (1.3%), primary angle closure glaucoma in 5 cases 8 eyes (0.7%), its suspect in 18 cases 31 eyes (2.7%), secondary glaucoma in 4 cases 6 eyes (0.5%) and ocular hypertension in 30 cases 39 eyes (3.4%). Except 2 cases of primary open angle glau-coma, none of these subjects were aware of the disease.


Copyright © 1989, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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