Features:

1. Top-grade quality View Tester in Far East;
2. Elegant design of butterfly-shape appearance;
3. High grade plated-film used in all optic lenses;
4. This device is applicable to ophthalmology department of hospitals and spectacle stores for precision measurement of visual

functions such as myopia, hyperopia, astigmatism,eyesight balance, heterophoria, stereoscopic vision and eyesight amalgamation.