Ophthalmic perimeter lens set 114/P

The set contains 68 lenses, 38mm diameter, in white laminate case. 56 positive bi-convex / negative bi-concave spheres and 12 negative plano-concave cylinders. Primarily produced for visual field machine use. FEATURES LENSES: Full aperture, 38 mm diameter white optical glass lenses with métal rim. DIMENSIONS (W x D x H): 360x150x65 mm WEIGHT: Kg. 2 SPHERE positive/negative 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 - 4,50 - 5,00 - 5,50 - 6,00 - 6,50 - 7 - 8 - 9 - 10 - 11 - 12 - 13 - 14 - 16 one pc. each power CYLINDER negative 0,25 - 0,50 - 0,75 - 1,00 - 1,50 - 2 - 2,50 - 3 - 3,50 - 4 - 4,50 - 5,00 one pc. each power