Fokin VP¹*, Balalin SV², Sarkisyan AS³ and Balalin AS³

¹Professor, Director, Volgograd Branch of the S. Fedorov National Medical Research Center “MNTK” “Eye Microsurgery”, Volgograd, Russian Federation
²Head of the Scientific Department, Professor at the Eye Disease Department, Volgograd State Medical University, 1 Ploshchad' Pavshikh Bortsov, Volgograd, Russian Federation
³Ophthalmologist, Volgograd Branch of the S. Fedorov National Medical Research Center “MNTK” “Eye Microsurgery”, Volgograd, Russian Federation

*Corresponding Author: Fokin VP, Professor, Director, Volgograd Branch of the S. Fedorov National Medical Research Center “MNTK” “Eye Microsurgery”, Volgograd, Russian Federation.

Received: December 07, 2022; Published: December 29, 2022

Abstract

Purpose: To analyze the efficacy of a complex technology of laser surgery for pigmentary glaucoma which consists of YAG-laser iridectomy in the first stage followed by multistage selective laser trabeculoplasty to achieve a mild pigmentation degree of the trabecula in 360⁰.

Materials and Methods: Laser iridectomy was performed in 19 patients (38 eyes) aged 18 to 54 years old with pigmentary glaucoma after achieving the values of the individual IOP level using drug therapy. Then after 4 weeks SLT was carried out. If an exogenous pigmentation was ≥ 2 st., SLT has been repeated several times every 4-6 months. Observation period: from 4 to 15 years.

Results: The glaucoma process stabilization was achieved in all cases. The level of true IOP decreased by 6.6 ± 0.3 mm Hg (-30%, p < 0.05), Becker’s coefficient by 121 ± 4.3 (-60%, p < 0.001), the instillations number by 0.57 ± 0.09 (-70%, p < 0.001). The indicators increased: the average value of the total retinal photosensitivity by 381 ± 4.3 dB (15%, p < 0.001), the average threshold of the retinal photosensitivity by 2.6 ± 0.1 dB (10%, p < 0.001), the intraocular liquid outflow by 0.08 ± 0.013 (72%, p < 0.001). Drug hypotensive therapy was canceled at 16 eyes (42.1%).

Conclusion. The complex method of pigmentary glaucoma laser surgery in the form of YAG-laser iridectomy and the multistep SLT is effective and safe. It may be performed for a decrease of increased ophthalmotonus level to the individual IOP against the background of drug treatment.

Keywords: Pigmentary Glaucoma; YAG-laser Iridectomy; Selective Laser Trabeculoplasty

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Citation

Citation: Fokin VP., et al. “Laser Surgery for Pigmentary Glaucoma".Acta Scientific Ophthalmology 6.1 (2023): 37-42.

Copyright

Copyright: © 2022 Fokin VP., et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.