| 摘要 |
PROBLEM TO BE SOLVED: To provide a visual acuity measuring device capable of objectively acquiring that even infants from 2 to 4 years of age can correctly recognize a target used in a visual acuity test such as Landolt ring, further allowing the infants to undergo the visual acuity test without being bored, and performing the visual acuity test of the near vision and the long-distance vision.SOLUTION: The visual acuity measuring device includes a target 11 for use in a visual acuity test, and identification displays 21 different from the target 11, where the visual acuity measuring device is used by disposing the identification displays 21 around the target 11. Alternatively, the visual acuity measuring device includes a first member 1 on which the target 11 for use in the visual acuity test is displayed, and a second member 2 that has the identification displays 21 different from the target 11 and is separable from the first member 1, where the identification displays 21 are displayed around the target 11. |
