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[Peripheral retinal cryocoagulation. Long-term outcome]

C Knapp1, J Funk

  • 1Universitäts-Augenklinik Freiburg.

Der Ophthalmologe : Zeitschrift Der Deutschen Ophthalmologischen Gesellschaft
|December 31, 1997
PubMed
Summary
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Peripheral retinal cryotherapy effectively reduces intraocular pressure and neovascularization long-term. However, this treatment does not improve visual acuity in patients with proliferative diabetic retinopathy or retinal vascular occlusion.

Area of Science:

  • Ophthalmology
  • Retinal diseases
  • Cryotherapy

Context:

  • Peripheral retinal cryotherapy is a treatment for neovascularization.
  • Limited data exists on long-term outcomes.
  • This study examines long-term results from 1979-1990.

Purpose:

  • To evaluate the long-term efficacy of peripheral retinal cryotherapy.
  • To assess its impact on intraocular pressure and neovascularization.
  • To determine effects on visual acuity.

Summary:

  • Peripheral retinal cryotherapy was applied to 51 eyes with neovascularization secondary to diabetic retinopathy or retinal vascular occlusion.
  • Intraocular pressure was reduced in 49% of eyes, and rubeosis iridis regressed in 57%.
  • Visual acuity deteriorated in 53% of cases despite IOP control and neovascularization regression.

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Impact:

  • Peripheral retinal cryotherapy offers a viable long-term treatment for elevated intraocular pressure and rubeosis iridis.
  • The treatment does not lead to visual acuity improvement.
  • Findings guide clinical decisions for managing neovascularization in retinal diseases.