| 摘要 |
PROBLEM TO BE SOLVED: To provide an ophthalmic device capable of rapidly completing alignment with simple operation to reduce the burden of both an examiner and a subject. SOLUTION: An ocular tension measuring device S is provided with a frame 3 movable in X-Z directions on a base; a joy stick 5 for manually operating the frame 3; a device body 4 provided with an optical system for measuring or photographing an examined eye, and movable in X-Y-Z directions on the frame 3; an alignment detecting system for detecting the alignment state of the device body 4; a driving control system for controlling the driving of the device body 4 on the basis of the detected result of the alignment detecting system; a moving quantity computing means for computing the moving quantity of the device body 4 from the reference position on the basis of the driving quantity of the driving control system, a comparing means for comparing the computed result of the moving quantity computing means with the detected result of the alignment detecting system; and a determining means for determining whether or not alignment can be completed on the basis of the compared result of the comparing means. |
