The Relationship among Refractive Power, Axial Length and Choroidal Thickness Measured by SD-OCT in Myopia.
10.3341/jkos.2012.53.5.626
- Author:
Keun Ho KIM
1
;
Do Gyun KIM
Author Information
1. Department of Ophthalmology, Myongji Hospital, Kwandong University College of Medicine, Goyang, Korea. kimdk89@empas.com
- Publication Type:Original Article
- Keywords:
Axial length;
Choroidal thickness;
Optical coherence tomography;
Refractive power
- MeSH:
Choroid;
Eye;
Myopia;
Tokyo;
Tomography, Optical Coherence
- From:Journal of the Korean Ophthalmological Society
2012;53(5):626-631
- CountryRepublic of Korea
- Language:Korean
-
Abstract:
PURPOSE: To measure choroidal thickness in healthy myopic eyes and to evaluate the relationship among choroidal thickness and refractive power and axial length. METHODS: Eighty healthy myopic eyes were evaluated in the present study. The refractive power was measured using an automatic refractor and the axial length using A-scan. The subjects were divided into two groups based on refractive power (> or =-6.0 D and <-6.0 D) and axial length (> or =25 mm and <25 mm). The choroidal thickness was measured using spectral domain (SD) optical coherence tomography (3-dimensional [3D] OCT-2000, Software Version 6.01; Topcon Corp., Tokyo, Japan), and the statistical relationship between the two groups was analyzed. RESULTS: A statistically significant difference was found in choroidal thickness according to refractive power and axial length between the two groups (p < 0.001 and p < 0.05, respectively). CONCLUSIONS: Refractive power and axial length had a significant relation to choroidal thickness measured by OCT. When excluding eyes with pathologic myopia, high myopia in healthy eyes may cause choroidal thinning.
