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Accidental Nd:YAG laser-induced choroidal neovascularization
Howard S Ying1, Robert C A Symons, Kristie L Lin
1The Wilmer Eye Institute at The Johns Hopkins School of Medicine, 600 North Wolfe Street, Maumenee 721, Baltimore, Maryland 21287-9277, USA.
Lasers in Surgery and Medicine
|April 17, 2008
Summary
This case study shows that spontaneous closure of neodymium-doped yttrium aluminum garnet (Nd:YAG) laser-induced macular holes is possible. Photodynamic therapy effectively treated subsequent choroidal neovascularization.
Area of Science:
- Ophthalmology
- Medical Technology
Background:
- Limited literature exists on the natural history of occupational neodymium-doped yttrium aluminum garnet (Nd:YAG) laser-induced retinal injuries.
- This study details a case of such an injury in a 48-year-old male.
Observation:
- The patient developed a macular hole following Nd:YAG laser exposure, which spontaneously resolved.
- Choroidal neovascularization (CNV) emerged three months post-injury.
- Optical coherence tomography (OCT) and fluorescein angiography were used to monitor the injury progression.
Findings:
- The macular hole demonstrated spontaneous closure, suggesting delayed surgical intervention for similar injuries.
- Photodynamic therapy (PDT) with verteporfin successfully stabilized the induced choroidal neovascularization.
- Color fundus photography documented the evolving retinal changes.
Implications:
- Findings suggest a conservative approach for Nd:YAG laser-induced macular holes, prioritizing observation for spontaneous closure.
- PDT is a viable treatment option for CNV secondary to Nd:YAG laser retinal injury.
- This case contributes valuable natural history data for occupational retinal laser trauma.
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