Lenses marked only on one side to ensure correct positioning in the trial frame.
Sturdy lightweight aluminum rings that are color-coded and marked for easy identification: red for minus, black for plus and blue gray for prisms and accessories.
All lenses are cemented as well as firmly clamped to ensure precision in the alignment.
The Corrective Curve Trial Lens Set comes in a sturdy holding tray with beveled slots for fast and easy insertion. The Deluxe Set includes minus and plus spherical lenses, prisms, other accessory lenses and various cylinder power lenses.
Full Diameter Trial Lens Set
The Full Diameter Trial Lens Sets are a cost-effective combination of spheres, cylinders and accessory lenses.
These economical biconvex and biconcave lenses are mounted in metal rims that have the lens power engraved in both sides of the handle.
The full diameter lens provides a wide field of view during refraction.
These lenses can be used with instruments that require a patient’s correction such as a visual field.
The Full Diameter Trial Lens Sets are supplied with a handsome velvet lined vinyl carrying case.
Horizontal and vertical bridge adjustments.
An adjustable saddle bridge assures a comfortable nose fit.
Separate PD adjustment for each eye to compensate for asymmetrical factors in facial structure.
Individual adjustments for temple length and angle.
Adjustment for rotating cylinders to correct the axis.
Scales with large, easy to-read numerals.
The spacing of the lens holders ensures accurate additive readings when the Corrected Curve Additive Design lenses are used in the frame.