Adjustable Optometry Flip Lens with Test Card for Vision Training, Plastic, Wide Range of Applications (±50)

1. Resin Len: The optical adopts high definition resin lens, the lens is clear and transparent, and the diopter is accurate, convenient for use.2. Vision Test Card: Comes with 5 matt film vision test cards, non reflective, clear and easy to read, meet your use needs, service life. Important accessory for vision training.3. Adjustable Interpupillary Distance: The adjustable range of interpupillary distance is 44?87mm, can be used by adults and children. The optical slide is stuck tight and will not slide when flipped up and down.4. Plastic Material: Optometry flip adopts high strength plastic material, and eco friendly, firm and sturdy, light weight, easy to hold and operate.5. Wide Range Of Applications: Suitable for myopia, amblyopia, astigmatism, hyperopia, 15 minutes of training every day, effectively improve vision, simple and practical.Specification:Item Type: Optical Material: Plastic, ResinOptical Size: Approx. 20 x 10cm / 7.9 x 3.9inAdjustable range of interpupillary distance: Approx. 44-87mm / 1.7-3.4inPackage List:1 x Optical 5 x Vision Test CardNote:Please allow slight error due to manual measurement. Thanks for your understanding.

• [CLEAR VISION AND ACCURATE DIOPTER] The optical flipper features high definition resin lens that provides clear and transparent vision. The diopter is accurate, ensuring convenient use.
• [5 VISION TEST CARDS INCLUDED] Comes with 5 matte film vision test cards that are non-reflective, clear, and easy to read. They are an essential accessory for vision training.
• [ADJUSTABLE INTERPUPILLARY DISTANCE] The interpupillary distance can be adjusted from 44‑87mm, making it suitable for both adults and children. The optical flipper slide is securely stuck and won't slide when flipped up and down.
• [ PLASTIC MATERIAL] Made of high-strength plastic, the optometry flip is , , firm, and sturdy. It is also lightweight, making it easy to hold and operate.
• [WIDE RANGE OF APPLICATIONS] Suitable for myopia, amblyopia, astigmatism, hyperopia, and more. Just 15 minutes of training every day can effectively improve vision. Simple and practical.