The Correlation between Intraocular Pressure and Refractive Status.
- Author:
Seung Woo BAEK
1
;
Kuhl HUH
;
Hai Ryun JUNG
Author Information
1. Department of Ophthalmology, Korea University, College of Medicine, Seoul, Korea.
- Publication Type:Original Article
- MeSH:
Emmetropia;
Glaucoma;
Glaucoma, Open-Angle;
Humans;
Hyperopia;
Intraocular Pressure*;
Myopia;
Refractive Errors
- From:Journal of the Korean Ophthalmological Society
1987;28(2):371-376
- CountryRepublic of Korea
- Language:Korean
-
Abstract:
The tendency toward significantly higher mean tensions in myopic eyes compared with eyes with emmetropia and hyperopia has been believed. The patients with high myopia have an unusually high risk of the development of open angle glaucoma. But there is little information in the literature concerning the range of refractive error in relation to intraocular pressure. This study was designed to provide this information in Koreans and to assess the possible prognostic value of the refraction in glaucoma. The results of this study were as follows: 1. The mean IOP of all the patient were 15.29 +/- 2.61mmHg. 2. The mean IOP of emmetropic patients with +2.0 to -2.0 diopters, myopic patients with -2.25 to -4.75 diopters, and high myopic patients with greater than -5.0 diopters were each 14.99 +/- 2.62mmHg, 5.64 +/- 2.38mmHg, 16.21 +/- 2.56mmHg, respectively, suggesting that as the degree of myopia became higher, so did the IOP became greater, as supported by a statistical analysis showing significance(p<0.001). 3. The mean IOP of hyperopic patients with greater than +0.5 diopters, emmetropic patients with +0.25 to -0.25 diopters, and myopic patients with greater than -0.5 diopters were each 14.41 +/- 2.61mmHg, 14.94 +/- 2.57mmHg, and 15.60 +/- 2.56mmHg, respectively, suggesting that as the refractive error showed a myopic status, it was accompanied by an increase of IOP, as was also supported by the statistical analysis showing significance(p<0.001). 4. In correlating sex with IOP, it was found that both sexes showed an increase of IOP as the refractive status changed from hyperopia to myopia, also supported by a significant statistical analysis(p<0.001). 5. In correlating age with IOP, each age group showed a general increase in IOP as the refractive status changed from hyperopia to myopia. As the age increased, however, it was not accompanied by an increase in IOP(p<0.001). 6. As the Cup/Disk ratio increased the mean IOP also tended to increase; this finding, however, showed no significance in the statistical analysis(p>0.01).
