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Combination horizontal/vertical prism bar..

MS 10 prism set Maddox rodSizes 1/2-1-2-4-6-8-10-15-20-25..

B-10    11110 B-12    11113 BV-15 ..

Prisms sets - birefringent S-4 11034   5-10-15-20 S-8 11038 2@ 5-10-15-20..

Risley Prism(+/-20PD Model 4673)..

Square prisms Sizes 1/2-1-2-3-4-5-6-7-8-9-10-12-14-15-16-18-20-25-30-35-40-45-50     35-40-45-50..

Stick prismFor vision therapy.No fingerprint.Easy to use.        Available in all diopter..

Vergence facility prism..

Vergence facility stick prism..