Ophthalmic measurement apparatus

An ophthalmic measurement apparatus (1) includes a light projecting optical system (80a) for projecting measurement light to an examinee's eye (E) from an oblique direction, and a light receiving optical system (80b) for receiving, through a two-dimensional light receiving element (87), a first...

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Bibliographische Detailangaben
Hauptverfasser: Takii, Michihiro, Sakashita, Yusuke, Kawai, Noriji
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:An ophthalmic measurement apparatus (1) includes a light projecting optical system (80a) for projecting measurement light to an examinee's eye (E) from an oblique direction, and a light receiving optical system (80b) for receiving, through a two-dimensional light receiving element (87), a first reflection image (R1) formed by the measurement light reflected by a corneal anterior surface of the examinee's eye (E) and a second cornea reflection image (R2) formed by the measurement light reflected by a corneal posterior surface. A control unit (100) of the ophthalmic measurement apparatus (1) obtains corneal thickness of the examinee's eye based on the positional information of the first reflection image (R1) and the second reflection image (R2) in a light receiving signal output from the two-dimensional light receiving element (87) (S4). At that time, the control unit (100) two-dimensionally detects the positional information of at least one of the first reflection image (R1) and the second reflection image (R2) and obtains the corneal thickness by use of the two-dimensionally detected positional information.