Surgical Excision of Type 1 + 2 Choroidal Neovascularization in Age-Related Macular Degeneration |
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Authors: | Hiroyuki Shimada Kyoko Fujita Yoko Matsumoto Ryuzaburo Mori Mitsuko Yuzawa |
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Affiliation: | (1) Department of Ophthalmology, Surugadai Hospital of Nihon University, Tokyo, Japan;(2) Department of Ophthalmology, Surugadai Hospital of Nihon University, 1-8-13 Surugadai, Kanda, Chiyoda-ku, Tokyo 101-8309, Japan |
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Abstract: | Purpose To evaluate the visual acuity outcome and the various factors influencing visual outcome in patients undergoing surgical removal of type 1 + 2 choroidal neovascularization (CNV) caused by age-related macular degeneration (AMD).Methods We studied the records of 54 patients (54 eyes) followed for at least 1 year after surgical excision of CNV associated with AMD.Results The final visual acuity was 0.4 or better in 4%, 0.1 to 0.3 in 46%, and worse than 0.1 in 50% of the patients. Final visual acuity was improved in 39%, stable in 37%, and worse in 24%. Stepwise regression showed that the distance between the center of the foveal avascular zone and the CNV margin had the greatest effect on final visual acuity.Conclusions Surgical excision of type1 + 2 CNV due to AMD may be indicated for preserving preoperative visual acuity. The distance between the center of the foveal avascular zone and the CNV margin is the most important factor affecting final visual acuity. Jpn J Ophthalmol 2005;49:324–326© Japanese Ophthalmological Society 2005 |
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Keywords: | age-related macular degeneration surgical excision type 1 + 2 subfoveal choroidal neovascularization |
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