Random-dot Stereograms Comprehensive Visual Test Charts Book Color Blindness Astigmatism Amsler Test Chart with Eyeglasses

The book content includes:Large visuak field stereo-blindness screen stereogram ,New astigmatism test charts ,Stereo-acuity test charts ,Color vision test charts and Amsler Test so on.with 2 pieces glasses,as the picture

Size: 19*26cm (approx.)

Note:

1.Part of it is Chinese. If you recommend, please buy with caution.