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2 peripheral scatter photocoagulation for neovascularization associated with pars planitis
S E Park1, W F Mieler, J S Pulido
1Department of Ophthalmology, Medical College of Wisconsin, Milwaukee, USA.
Archives of Ophthalmology (Chicago, Ill. : 1960)
|October 1, 1995
Summary
Peripheral scatter photocoagulation effectively treats neovascularization of the vitreous base in pars planitis patients. This method shows comparable efficacy to cryotherapy without causing retinal detachments.
Area of Science:
- Ophthalmology
- Retinal Diseases
- Vascular Eye Conditions
Background:
- Pars planitis can cause neovascularization of the vitreous base, potentially leading to vision loss.
- Peripheral cryotherapy is a known treatment but carries risks like retinal detachment.
- Corticosteroid therapy may be ineffective for persistent neovascularization in pars planitis.
Purpose of the Study:
- To assess the safety and effectiveness of peripheral scatter photocoagulation.
- To evaluate this treatment for neovascularization of the vitreous base.
- To compare photocoagulation alone versus combined with pars plana vitrectomy.
Main Methods:
- Six patients (10 eyes) with pars planitis and refractory neovascularization were studied.
- Three patients received scatter photocoagulation; three underwent vitrectomy with photocoagulation.
- Photocoagulation was applied in three rows posterior to the neovascularization.
Main Results:
- All patients showed regression of neovascularization and stabilization of inflammation.
- Cystoid macular edema improved in all treated eyes.
- No retinal detachments or treatment complications were observed; visual acuity improved.
Conclusions:
- Peripheral scatter photocoagulation is an effective treatment for neovascularization of the vitreous base in pars planitis.
- Its efficacy is comparable to peripheral cryotherapy.
- The procedure appears safe, with no associated retinal detachments.