China ophthalmic instrument retinoscopy rack set with leather suit
Features:
1. 32 Lens diopters: +/- 0.50 to +/-12
0.25,0.50,0.75, 1.00,1.25, 1.50, 1.75,2.00, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 7.0, 8.0, 9.00/10.00/12.00/14.00/16.00
2. Black bar for convexes , red bar for concaves
3. two bars in a leather suit
4. precise and convinient optometric instrument .