SHAPE OF THE MYOPIC EYE AS SEEN WITH HIGH-RESOLUTION MAGNETIC-RESONANCE-IMAGING

被引:100
作者
CHENG, HM
SINGH, OS
KWONG, KK
XIONG, J
WOODS, BT
BRADY, TJ
机构
[1] Howe Laboratory of Ophthalmology, Harvard Medical School, Massachusetts Eye and Ear Infirmary, Boston, MA
[2] New England Glaucoma Research Foundation, Boston, MA
[3] Department of Neurology, Harvard Medical School, McLean Hospital, Belmont, MA
[4] Department of Radiology, Harvard Medical School, Massachusetts General Hospital, Boston, MA
关键词
MAGNETIC RESONANCE IMAGING; MYOPIA; EYE SHAPE; REFRACTIVE ERROR;
D O I
10.1097/00006324-199209000-00005
中图分类号
R77 [眼科学];
学科分类号
100212 ;
摘要
We have obtained multislice magnetic resonance (MR) images of the eye and calculated ocular dimensions along the three cardinal axes: antero-posterior (A-P), equatorial, and vertical. We found no difference in the shape of hyperopic (average refractive error: +3.72 D) and emmetropic eyes, both of which had an equatorial diameter longer than the A-P and vertical diameters. Myopic eyes (average refractive error: -6.54 D) were larger than hyperopic eyes, and most had the same spheroelliptical shape as that of the emmetropic and hyperopic eyes. The results suggest that during myopic progression an overall enlargement or a radial volume expansion has occurred.
引用
收藏
页码:698 / 701
页数:4
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