0.50 To +/- 4.00 White Optometry Trial Lens For Adult Kids

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Description:

Frame Amblyopia Myopia Training Tool
Material: framework
Size: Approx. 19.8×9.8cm/7.8 x 3.9 inch
Adjustable Distance range: 44-87mm/1.73-3.43 inch
Lens degree has large options, from 0.50/1.00/1.50/2.00/2.50/3.00/3.50/4.00
Adjustable PD scales
4 pieces of glass lenses flip
Thick and solid lenses and rim;Each degree shown close to the lens.
Easier use and more clear measure.

Package Includes:

1 Piece Optometry Flip with 5 Pieces Vision cards

Note:

Size for manual measurement, there may be a 0 to 1 cm error, belongs to the normal phenomenon.
Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!

Optometry Flip; Flip Lens Instrument;Optical Flip Lens Instrument; Optometry Flip