+/- 0.50 to 4.00 Optometry Plastic Trial Lens

Description:

- Plastic Frame Amblyopia Myopia Training Tool

- Material: plastic 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!