- Using mechanical hairspring to level at the reflecting point of the cornea to realize the consecutive measurement. It features direct point-sampling and high accuracy of orientation.
- Adopting high-precision line-shaped sensors, advanced electronic system and a digital display which allows the testing results more visible, legible and accurate.
- The design of the LED lamp-house and low-power consumption ensure the prolonged service life of the battery.
- It offeres a +2.00D compensation for the visual degree.
- Provides also a knob to adjust the distance.
- The brightness of the LED lamp-house is adjustable.