With view finder observation, no limit of operator age. Diopter adjustable range is +/-8D . View finder arm angle is changeable of 0-135 degrees, making measurement easy regardless of patient’s position or posture. Adjustable diopter +/- 8D.
Automatic Axis Compensation and extended measurement range
Not only does the device let examiner know the cylinder axis angle, but it can also be automatically adjusted if it is not level.
New Child Mode
While the measurement is being taken, a melody plays continually to keep children’s attention. A constantly changing color display, both on the outside and inside of the device, also keeps children involved during the process.