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The analysis of pigmentary glaucoma laser treatment

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Purpose : to analyze the results of combined laser treatment for pigmentary glaucoma using laser iridectomy and selective laser trabeculoplasty. Material and methods : 12 patients (22 eyes) with pigmentary glaucoma were analyzed. According to the stages of glaucoma, they were divided in the following groups: primary stage of pigmentary glaucoma - 19 eyes, advanced stage - 3 eyes. The follow-up was 16.7 ± 3.02 months. At first, all patients underwent laser iridectomy using YAG-laser SUPER Q manufactured by Laserex. During the second stage, we performed standard selective laser trabeculoplasty using Selecta. The mean period between the stages was 5.45 ± 2.18 months. Results : IOP in the control group (22 eyes) was 19.94 ± 0.94 mm Hg preoperatively. Postoperatively by the moment of last examination, IOP was 12.39 ± 0.66 mm Hg. When analyzing perimetry data of our patients the MD index was not significantly changed. Pre- and postoperative visual acuity was 0.90 ± 0.03 ( Z = 0.37, p = 0.715), i.e. within the whole follow-up the status of visual functions remained stable. When analyzing the hypotensive regimen we noted the tendency towards its reduction within the follow-up. The mean number of hypotensive medications preoperatively was 1.73 ± 0.18, but by the end of the follow-up it was 0.86 ± 0.15 ( Z = 3.18, p = 0.001). Conclusion : combined laser treatment for pigmentary glaucoma including laser iridectomy and selective laser trabeculoplasty influences the main pathogenesis stages and is effective in treating primary and advanced pigmentary glaucoma.

Keywords

pigmentary glaucoma; laser iridectomy; selective laser trabeculoplasty; intraocular pressure; primary pigmentary glaucoma; advanced pigmentary glaucoma

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DOI

10.20310/1810-0198-2017-22-4-751-756

UDC

617.7

Pages

751-756

References

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Received

2017-06-29

Section of issue

Medicine. modern achievements in ophthalmology

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