Comparison of ultrasound biomicroscopic parameters after laser iridotomy in eyes with primary angle closure and primary angle closure glaucoma
In: Eye (London. 1987), Jg. 21 (2007), Heft 7, S. 956-961
Online
academicJournal
- print, 22 ref
Zugriff:
Purpose To study changes in anterior segment morphology after laser peripheral iridotomy (LPI) in primary angle closure (PAC) and primary angle closure glaucoma (PACG) using ultrasound biomicroscopy (UBM). Methods Ninety-three eyes of 93 patients underwent anterior segment evaluation including gonioscopy, disc evaluation with + 90D lens, applanation intraocular pressure, and standard achromatic perimetry. UBM was performed before and 2 weeks after Nd:YAG LPI to measure the trabecular-iris angle (TIA), the angle-opening distance (AOD 250/500), and the central anterior chamber depth (ACD). Results The superior TIA widened from a mean of 7.54 ±3.15 to 15.66 ±6.69° (P = 0.0001), the inferior TIA increased from a mean of 9.0±4.7 to 15.9±6.8° (P= 0.0001) after LPI in PAC. In PACG, the mean superior angle changed from 4.55±2.5 to 6.12±3.8° (P=0.4) and the inferior angle increased from 4.75±2.0 to 7.9 ± 3.7° ( P = 0.1). The mean ACD increased from 2.19 ±0.36 to 2.30 ±0.36 mm in PAC group (P = 0.0003), with no significant change seen in the PACG group (1.79±0.32 vs 1.82±0.33 mm, P=0.13). Conclusion LPI leads to a widening of the anterior chamber angle and a deepening of the anterior chamber in eyes with PAC. It does not significantly change any anterior segment parameters in eyes with PACG.
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Comparison of ultrasound biomicroscopic parameters after laser iridotomy in eyes with primary angle closure and primary angle closure glaucoma
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Autor/in / Beteiligte Person: | DADA, T ; MOHAN, S ; SIHOTA, R ; GUPTA, R ; GUPTA, V ; PANDEY, R. M |
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Zeitschrift: | Eye (London. 1987), Jg. 21 (2007), Heft 7, S. 956-961 |
Veröffentlichung: | Basingstoke: Nature Publishing Group, 2007 |
Medientyp: | academicJournal |
Umfang: | print, 22 ref |
ISSN: | 0950-222X (print) |
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