| 摘要 |
Provided is an ophthalmologic apparatus capable of measuring a refractive state in a state where a pupil diameter dimension varies with respect to an eye to be examined, the ophthalmologic apparatus including a measurement optical system capable of measuring distribution of an optical characteristic within a pupil diameter of the eye to be examined, the ophthalmologic apparatus including a visible light illuminator for illuminating the eye to be examined with visible light along an optical axis of the measurement optical system. The visible light illuminator is configured to be capable of changing an illuminating light intensity in a range including at least from a light intensity capable of exposing the eye to be examined to brightness equivalent to that, in a nighttime environment to a light intensity capable of exposing the eye to be examined to brightness equivalent to that in a daytime environment.
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