$58.99 (as of 19/01/2019 23:32 PST details )
Features:
- Environmental Protection Material The optometry lens is made of environmental protection material, which is safe and healthy, with smooth edges and fine workmanship.
- Easy to Carry Rectangular high quality aluminum alloy box, lightweight, never rust, free storage, and easy to carry.
- Main Purpose The inspection eye row mirror, the column mirror, the optometry row mirror, also called the string lens, the string mirror, is the general appliance that checks the eye diopter. This series of lenses has 6 rows 30 pieces.
- Lens Specifications Spherical concave 0.25, 0.50, 0.75, 1.00, 1.25, 1.50, 1.75, 2.00, 2.25, 2.50, 2.75, 3.00, 3.50, 4.00, 5.00 Spherical convex surface 0.25, 0.50, 0.75, 1.00, 1.25, 1.50, 1.75, 2.00, 2.25, 2.50, 2.75, 3.00, 3.50, 4.00
- Lens Size There are six optometry series lenses, three red and three black, and the lens diameter is 25mm.