Yeasn HX-400 PD Meter
An easy to use, quick measuring, precise PD meter for reading a patients pupillary distance using corneal reflection.
- Quick measurement with continuous direct measurement and accurate alignment.
- High-accuracy Linear Sensor
- Advance smart electronic system, visualized and accurate reading.
- LED light source, adjustable lightness, auto shut-down time and adjustable step.
- Low power consumption
- Available for +2.00D visibility compensation.
- Self calibration function.