| 摘要 |
A noncontact type tonometer, in which an axial line extending in the direction of air pulse projected by an air pulse projecting nozzle towards a cornea of an eye to be tested is coaxial with an optical axis of an alignment optical system for verifying an alignment with respect to a vertex of the cornea, includes an anterior portion observing system capable of optically observing an anterior portion of the eye and having an optical axis coaxial at least with a part of the optical axis of the alignment optical system.
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