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“Patching is Fun” Pink Eye Care Stickers
2.5″ circle, 100/roll
SKU: 30552 Category: Diagnostic Tools
not rated $53.30 Add to cart
Worth Four Dot Test
The Worth Four Dot Test helps evaluate color perception by stimulating the red, green and blue cone receptors in the retina. The test set consists of a high-quality, chrome flashlight with a pair of universal spectacles together with complete instructions. The flashlights in the test sets require 2 D-cell batteries, which are not included.
not rated $360.00 Add to cart
Magnetic Prism Block Set, 22 Prisms, Polymer Case
A set of 22 acrylic prisms in a polymer case with carrying handle. Each block prism contains a small magnet and "snaps" on to a magnetic handle. 4" (10 cm) long. The dioptric power of each prism block has been laser engraved. All prisms are made using Clear Prism® Technology.
not rated $127.30 Add to cart
Horizontal Prism Bar
Sizes - .5-1-1.5-2-3-4-5-6-8-10. Our prism bars are made of extremely high quality plastic, which are optically clear with an index of refraction of 1.49 and a light transmission value of 92%. The manufacturing process greatly reduces optical strain, producing prisms that virtually eliminate clinical birefringent effects.