| 摘要 |
An optometric apparatus for a subjective examination of a visual function of an examinee's eye includes a pair of right-and-left lens chamber units (2), each having test windows (4, 4'); and rotary disks (11-17) disposed in each unit, each disk holding therein optical elements (110-170, 180a, 180b, 181), one of the optical elements in each disk being placed between the test windows; wherein the optical elements include optical elements of 29 mm to 39 mm in effective diameter.
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