| Measurement of The Depth and Angle of The Peripheral Anterior Chamber and Iris Thickness by Ultrasonographic Biomicroscopy. |
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Jae Woo Jang, Young Joo Choe, Young Jae Hong |
1Department of Ophthalmology, College of Medicine, Yonsei University, Seoul, Korea.
2Department of Ophthalmology, College of Medicine, Ajou University, Suwon, Korea. |
| 초음파생체현미경을 이용한 주변전방깊이와 전방각의 크기 및 홍채의 두께 측정 |
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최영주(Young Joo Choe),홍영재(Young Jae Hong),장재우(Jae Woo Jang) |
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| Abstract |
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Measurement of the depth and angle of the anterior chamber can provide valuable information for the diagnosis, treatment and prognosis of angle closure glaucoma. We measured the depth and angle of the peripheral anterior chamber in the normal and the angle closure glaucoma eyes by utilizing ultrasonographic biomicroscopy. We also measured the 4 directions of the depth and angle of the peripheral anterior chamber and iris thickness before and after dilation in the normal eyes. The mean depth and angle of the peripheral anterior chamber were 421 +/- 73 micro meter, 30.46 +/- 6.49 degree in the normal eyes and 294 +/- 25 micro meter, 29.12 +/- 3.75 degree in the angle closure glaucoma eyes respectively. The differences of the depth and angle of the peripheral anterior chamber between the two groups were statistically significant(P<0.05, respectively). The depth and angle of the peripheral anterior chamber significantly increased after dilation in the normal eyes(P<0.05, respectively). The thickness of the iris was 421 +/- 54 micro meter at the iris root site, 509 +/- 57 micro meter in at the middle site and 582 +/- 74 micro meter at the pupillary margin site. |
| Key Words:
Anterior chamber angle;Angle closure glaucoma;Iris thickness;Peripheral anterior chamber depth;Ultrasonographic biomicroscopy |
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