| 摘要 |
PURPOSE: To provide a noncontact tonometer for easily determining whether or not intraocular pressure is normally measured. CONSTITUTION: When measuring the intraocular pressure in a Step S1, intake processing of a pressure signal and a light receiving signal is performed in a Step S2. When determining that a measured value is obtained in a Step S3, the Step is transferred to a Step S4, and an intraocular pressure value is displayed on a monitor. When determining that the measured value is not obtained, processing for transferring an image to a memory area is performed in a Step S5. A Step S6 determines whether or not a corneal luminescent spot is extracted, and when the spot is not extracted, extraction of the luminescent spot is confirmed from an image preceding by one. When determining that there is a blink, the Step is transferred to a Step S7. The Step S7 displays a BLINK error by generating and mixing a BLK character in a real-time picture signal.
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