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Case with yoked rotating prisms with clips of positive and negative lenses and red-green filters to add. The clips enhances the possible use of the glasses and make their use during VT more versatile. High quality plastic prisms. The prismatic power is cut on the surface near the prism's apex together a tactile notch. Each plastic clip has a sticker that is visible from both sides, with the power of the lens and has a shape designed to make the fitting on the frame easy. The set includes: 2 empty plastic frames with nasal anatomical fit and adjustable elastic, central screw for locking and unlocking the prisms, and a pair of prisms for each power: 1, 2, 3, 4, 5, 8, 10, 15, 20, 25 PD. Also included is: A pair of clips for each spherical power with binoncave and biconvex lenses: +.50, +1.00. +1.50, +2.00, +2.50, +3.00, -1.00, -2.00, -3.00, -4.00, -5.00, -6.00D; 1 green filter clip; and 1 red filter clip. Item #: E/RYPSETA1 -
Combined D-15 Test Similar test to the Anthony and Farnsworth. Box contains 16 caps with different colored papers attached. The unique feature is that the box is designed to shorten test time. When raised, the caps can easily slide out one end that raises with the top. Then, the patient inserts the caps, the box is closed, and the box turned over revealing a clear bottom through which to score the selections. Item #: G15130 -
This handheld circular pupillometer device is used for measuring different size pupils. It was developed and researched by Dr. Jack Richman, O.D., as part of the Massachusetts Drug Evaluation and Classification Program (MDEP). This pupil measurement device is used by law enforcement officers across the country to assist in determining whether people are possibly impaired and/or under the influence of drugs. The reverse side has expected pupil size in different lighting conditions for non-impaired people. Item #: MDEP -
Morgenstern Color Fusion Cards - Divergence B Used with Bernell-O-Scope™ Builds large ranges of vergence (pull all the way in and out). Work in and out of instrument. Hold in space and fuse, diverge, move fused targets and also converge some. Made for "tromboning" work in the stereoscope as well as "pointing". Each card features eclectic designs and unique arrangements. Item #: SMDB