Affordable Universal Trial Frames

Adjustable Trial Frames for Eye Exams

• Made of light-weight metal & plastic. 
• Holds five trial lenses.
• Holds standard 1.5″ (38 mm) trial lenses.
• Independent right and left adjustment of PD 1.9″ to 3.15″ (48-80 mm).
• Bridge height and inclination operate by a rack and pinion.
• Sides adjustable for length and angle.
• Compatible with Fresnel Prism Trial Lens sets.
• Low-set hinges allow easy insertion of lenses into the rear lens cells.
• With Vertex distance scale.