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  • Title: Amsler grid examination and optical coherence tomography of a macular hole caused by accidental Nd:YAG laser injury.
    Author: Sakaguchi H, Ohji M, Kubota A, Otori Y, Hayashi A, Kusaka S, Saito Y, Tano Y.
    Journal: Am J Ophthalmol; 2000 Sep; 130(3):355-6. PubMed ID: 11020418.
    Abstract:
    PURPOSE: To compare a macular hole from accidental Nd:YAG laser injury with idiopathic macular holes. METHODS: Case report. In a 24-year-old man with accidental Nd:YAG laser injury, right eye, Amsler grid testing and optical coherence tomography were performed. RESULTS: Nd:YAG laser injury was responsible for a macular hole about 700 microm in diameter. The visual acuity was 20/100. Amsler grid testing displayed a central scotoma with no surrounding distortion. Optical coherence tomography showed a defect in all retinal layers at the macula. CONCLUSION: The scotoma caused by Nd:YAG laser injury is not surrounded by distortion; the hole is produced by the defect of all retinal layers. In contrast, idiopathic macular holes generally produce a pincushion pattern on Amsler grid testing and have no tissue loss.
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