Trial Lens Set

These prisms fit standard trial frames. They are made of optical quality acrylic and are lightweight. Each set includes a display box. There are two sets available providing a full range of prisms. The advantage of these prisms that is that a patient can wear the prism with the trial frame while in the office to allow the patient to adapt to the use of the prism. Patient feedback will be much better compared to getting a quick patient reaction to the loose prism held in front of the proposed correction. Hand-held Fresnel Trial Sets for occlusion. Fits standard trial frames. Optical quality.

Each measures 38mm OD with a 31mm prism. (Sold only in sets. Includes plastic storage box) The NH series eliminates the hand to permit greater freedom of rotation.