Partial laser ablation of massive peripapillary subretinal neovascularization

Christina Flaxel, A. C. Bird, A. M P Hamilton, Z. J. Gregor

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Background: Although peripapillary subretinal neovascular membranes (PSRNs) are less common and often larger than neovascular complexes arising near the fovea, they may lead to severe visual loss. Very large (massive) PSRNs (MPSRNs) are 3.5 disc areas or greater in overall size, are even less common, and may contain a significant occult component, leading to slow and unpredictable growth. Such massive lesions may begin at the nasal margin of the disc and do not become symptomatic until they have extended around the disc toward the macula, threatening central vision. Although complete laser ablation has been used for symptomatic PSRNs with variable success, the optimal treatment of MPSRNs remains controversial. Methods: The authors reviewed the clinical course of 12 eyes of seven patients with MPSRNs. Ten eyes received laser treatment, which was limited to the temporal portion of the subretinal neovascular complexes only and two received no treatment. Results: Of the ten eyes receiving laser treatment, six showed stabilization of visual acuity, whereas in four the neovascular membrane progressed beneath the fovea with severe visual loss. In the two untreated eyes, the subretinal neovascular membrane progressed beneath the macula with the loss of central vision. Conclusions: In contrast to the small symptomatic PSRNs, which are usually treated by complete laser ablation, MPSRNs may stabilize with only partial laser treatment. However, both types of lesions may remain stable for long periods of time without any treatment and require treatment only if progression toward the fovea occurs.

Original languageEnglish (US)
Pages (from-to)1250-1259
Number of pages10
JournalOphthalmology
Volume103
Issue number8
StatePublished - 1996
Externally publishedYes

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Laser Therapy
Membranes
Lasers
Therapeutics
Nose
Visual Acuity
Growth

ASJC Scopus subject areas

  • Ophthalmology

Cite this

Flaxel, C., Bird, A. C., Hamilton, A. M. P., & Gregor, Z. J. (1996). Partial laser ablation of massive peripapillary subretinal neovascularization. Ophthalmology, 103(8), 1250-1259.

Partial laser ablation of massive peripapillary subretinal neovascularization. / Flaxel, Christina; Bird, A. C.; Hamilton, A. M P; Gregor, Z. J.

In: Ophthalmology, Vol. 103, No. 8, 1996, p. 1250-1259.

Research output: Contribution to journalArticle

Flaxel, C, Bird, AC, Hamilton, AMP & Gregor, ZJ 1996, 'Partial laser ablation of massive peripapillary subretinal neovascularization', Ophthalmology, vol. 103, no. 8, pp. 1250-1259.
Flaxel, Christina ; Bird, A. C. ; Hamilton, A. M P ; Gregor, Z. J. / Partial laser ablation of massive peripapillary subretinal neovascularization. In: Ophthalmology. 1996 ; Vol. 103, No. 8. pp. 1250-1259.
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