PMID: 18709954Aug 20, 2008Paper

Comparison of different power-density krypton laser combined with Nd:YAG laser peripheral iridotomy

Yan ke xue bao = Eye science
Xiao-jing ZhongJun Lin

Abstract

To compare the influence of krypton laser with different power densities combined with Nd:YAG laser peripheral iridotomy (LPI) on the intraocular pressure, blood-aqueous barrier and inflammatory of anterior chamber as well as the therapeutic effect. Using a laser flare cell meter and Goldmann tonometer, the level of aqueous protein, the number of cells in the anterior chamber and intraocular pressure of 31 patients (62 eyes) who underwent krypton laser with different power densities combined with Nd:YAG laser peripheral iridotomy were examined and recorded preoperatively and postoperatively. The mean preoperative and 1-hour, 3-day, 7-day, 1-month postoperative intraocular pressure (IOP) of the high power-density group were (15.68 +/- 2.41), (27.13 +/- 3.48), (20.97 +/- 5.27), (16.35 +/- 1.14) and (15.06 +/- 2.02) mmHg, while those of the low were (15.35 +/- 1.78), (22.77 +/- 3.26), (16.26 +/- 2.41), (15.68 +/- 2.06) and (15.06 +/- 1.36) mmHg. The mean preoperative and 3-day, 7-day, 1-month postoperative flare intensity of the high power-density group were (4.65 +/- 1.50), (10.41 +/- 2.47), (7.31 +/- 2.31) and (6.15 +/- 2.16) pc/ms, while those of the low were (4.45 +/- 1.19), (6.47 +/- 1.11), (4.81 +/- 0.55) and (4.98 +/- 1.48)...Continue Reading

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