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(25E-14) 両眼性加齢黄斑変性症(滲出型)22例22眼に対し拡大鏡,拡大読書器を用いて近見視に対するロービジョンエイドを行い,視力,固視の状態,視野の結果から患者の視機能を分類し,適切な補助具を選定した。近距離視力表の0.5の視標,新聞が読めるかを基準にした。遠方視力が0.1以上で中心10度の中に固視点がある場合,拡大鏡で読むことができた。遠方視力が0.1未満でも固視点が10度以内にある場合には拡大鏡または拡大読書器にて読めた。固視点が10度以内にない場合には拡大読書器を用いても不可能だった。
We reviewed 22 patients who had been using low vision aids for exudative type of age-related macular degeneration. We checked whether the patients could read a newspaper with a magnifier or closed-circuit television (CCTV) . When the visual acuity was 0.1 or better and the eccentric fixation was within 10 degrees from the center, patients could read a newspaper with a magnifier. When the visual acuity was less than 0.1 and the eccentric fixation within 10 degrees from the center, patients could read a newspaper with a magnifier or CCTV. When the visual acuity was less than 0.1 and the eccentric fixation beyond 10 degrees from the center, patients could not read a newspaper with a magnifier or CCTV.
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