Feature:

1. Professional Optometry: High quality professional optical flip optometry flip shot, with 5 vision test cards, you can measure your vision at home.
2. Matte Film Vision Card: The vision card uses a matte film, which is not reflective. The size of the vision card is different, and the training can be done step by step.
3. Adjustable: The adjustable range of interpupillary distance is 45‑70mm, basically suitable for everyone, you can adjust it according to your own situation.
4. Stable: The accuracy of the caliper set on the side of the flip shot is 1mm, and you don't have to worry about leaving the slide when you flip it up and down.
5. Suitable for Many Situations: Suitable for myopia, amblyopia, astigmatism, hyperopia, eye fatigue, 15 minutes a day, effectively improve vision.

Specification:

Item Type: Optical Flipper

Material: Plastic, glass

Size: Approx. 22 x 11cm / 8.7 x 4.3in

Adjustable Range of Interpupillary Distance: Approx. 45mm / 1.8in to 70mm / 2.8in 

Package List:

1 x Optical Flipper

5 x Vision Cards