Imaging corneal curvimeter optical system
An optical system and imaging system technology, applied in medical science, eye testing equipment, diagnosis, etc., can solve the problem that the measurement accuracy cannot meet the accuracy requirements, meet the image plane resolution requirements, avoid eye shaking, and avoid subjective errors Effect
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[0032] Such as figure 1 As shown, the structure of the novel imaging keratometer optical system that the present invention relates to includes a circular cursor 1-1, a primary imaging system 1-2, a half-transparent mirror group 1-4, a secondary imaging system 1-5, and a CCD Receivers 1-6. The optical axis of the primary imaging system coincides with the optical path direction of the ring cursor, the half-transparent mirror is located on the outgoing optical path of the primary imaging system and forms an angle of 45 degrees with the optical path direction, and the reflective surface of the half-mirror faces the cornea 1 of the subject In the direction of -3, the secondary imaging system is set on the transmitted light path of the half-mirror, and the CCD receiver is located on the image plane of the secondary imaging system.
[0033] In addition, the keratometer also includes a calibration system, the structural diagram of the calibration ...
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