We are the authorized distributor of company Keeler Keeler Student Confirmation Test +/-0.50 Authorization letter Service authorization Keeler Price Keeler Ultrasound Price Useful sliding lens system that allows the PD to be adjusted to your patients requirements. Contents: 4 lenses, 2 Pairs Each +/-0.50D Request the price SKU: 2203-P-1096 S Category: Confirmation Tests & Cross Cylinders Service Request for Consultation with a Service Specialist I give my consent to the processing of personal data and agree to the terms and conditions and privacy policy Send Δ Related products Keeler Cross Cylinder +/-0.50D More Request the price Keeler Jackson Cross Cylinder +/-0.25D More Request the price Keeler Jackson Cross Cylinder +/-0.50D More Request the price Keeler Student Confirmation Test +/-0.25 More Request the price