描述

China good quality Optical Instrument Handheld Refractometer HAR-580

Features

▲ Objective and accurate refractive assessment.

▲ Ideal for challenging patients such as infants, disabled patient.

▲ Revolutionary design brings superior user experience.

Specifications
Sphere
-10.0D to +10.0D
Sphere tolerence
±0.5D
Cylinder range
-5.0D to +5.0D
Cylinder tolerence
±0.5D
Axis of astigmatism range
1° – 180°
Data acquisition timeExternal
1s/eye
External
External must connect to PC and IPAD
Net weight
360g