| 摘要 |
PROBLEM TO BE SOLVED: To prevent the scattered light of the cornea from mixing in a measuring system and to accurately measure the refractivity distribution in the pupil by a simple constitution. SOLUTION: A shading iris 5 cooperating with a focus lens 13 is provided at the eyeground conjugated position T of the light path O1 of a detection optical system and the luminous fluxes from a fixing target 17 and a measuring light source 19 are projected on an eye E to be examined through the light splitting member 14 provided to the light path O2 of a projection optical system and the focus lens 13.
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