INTRODUCTION

Training for optometrist

And students practice using

PARAMETERS

Through telescopic lens sheet barrel and the accurate slot in its front dispensing different lens sheet, and to simulate a variety of refractive state of the human eye.

Together with optometry piece  retinoscopy mirror for training optometrist teaching and students practice using.

1. 1. The retinal images diopter adjustment range -5D+3D:
2. 2. The diopter scale as the standard error
3. 3. Pupil sport: 3,5,7