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Br J Ophthalmol 1999;83:713-717 doi:10.1136/bjo.83.6.713
  • Original Article
    • Clinical science

Effect of diode laser trans-scleral cyclophotocoagulation in the management of glaucoma after intravitreal silicone oil injection for complicated retinal detachments

  1. Soo Kyung Han,
  2. Ki Ho Park,
  3. Dong Myung Kim,
  4. Bong Leen Chang
  1. Department of Ophthalmology, Seoul National University College of Medicine, Seoul, Korea
  1. Ki Ho Park, MD, Department of Ophthalmology, Seoul National University College of Medicine, 28 Yongon dong Chongno gu, Seoul 110–744, Korea.
  • Accepted 16 December 1998

Abstract

AIMS To evaluate the effect of trans scleral cyclophotocoagulation (TSCPC) on intraocular pressure (IOP) in the eyes retaining intravitreal silicone oil with medically uncontrolled secondary glaucoma following intravitreal silicone oil injection.

METHODS Medical records of 11 eyes of 11 patients who underwent TSCPC for medically uncontrolled glaucoma without pupillary block following intravitreal silicone oil injection for complicated retinal detachment were reviewed retrospectively. In all cases, intravitreal silicone oil was not removed for fear of retinal redetachment. Diode laser contact TSCPC was performed at a power of 1.5–2.5 W, for a duration of 2 seconds, and with 20–27 applications. IOP, number of glaucoma medications, and success rate were evaluated.

RESULTS After a mean follow up period of 52.5 (SD 8.2) (range 42–68) weeks, the mean pretreatment level of IOP, 43.0 (14.4) (26–67) mmHg, had fallen to 14.5 (4.3) (7–20) mm Hg (p=0.003). The number of glaucoma medications was reduced from 2.6 (0.8) to 0.6 (1.0) (p= 0.005). Qualified success was achieved in nine eyes (81.8%) and complete success in six (54.5%). After TSCPC, patients’ retinal status had not changed.

CONCLUSION Patients with medically uncontrolled glaucoma secondary to intravitreal silicone oil injection can be treated with TSCPC in spite of the retained intravitreal silicone oil.

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