This two-paddle version has one paddle with plus lenses and the other with minus lenses. The lenses on the Retinoscopy Rack come in the following sizes: 0.5, 1.0, 1.5. 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 8.0, and 12.
Each can be identified in the dark with fingertips alone, thanks to an indentation on the handles. Lenses are 16 mm diameter and are recessed to help prevent scratching and increase durability. Includes 180º axis compass printed directly along the top of each paddle to enhance the accuracy in astigmatism orientation.
Includes protective case.