…The test is conducted in a room with a constant brightness using a test chart with a constant illuminance. The visual acuity that allows one to see at a distance is called distance visual acuity, and in this case the test distance is 5m. The test chart has targets ranging from 0.1 to 2.0 arranged according to the Landolt ring mentioned above. … *Some of the terminology that refers to "distance vision" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…一定の照度をもった試視力表によって,一定の明るさの室内で検査する。遠方を見うる視力を遠見視力というが,遠見視力の場合,検査の距離は5m。試視力表は前記のランドルト環に従い,0.1~2.0の視標が配列されている。… ※「遠見視力」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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