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This test assesses a child's functional vision at near distances. Can also be used to familiarize child with testing procedure before introducing a distance test. Proportionally spaced (logMAR) lines on one side and more tightly- spaced symbols on the opposite side. Line sizes range from 20/400 to 20/10 (6/120 to 6/3) equivalent, 0.05 to 2.00. Response key printed on test card. Includes training cards and instructions. Card measures 8" x 10" (20.3 cm x 25.4 cm). -
The Single Symbol Book is ideal for people who cannot perform when tested with a line test. This book can help determine the best resolution of the visual pathway in a child/adult with amblyopia or impaired vision. Single optotype line sizes from 20/200 to 20/8 (6/60 to 6/2.4) equivalent. -
Lea SYMBOLS® 15 Line Folding Distance Chart For screening or testing individuals beginning at age 2 1/2. Proportionally-spaced lines; line sizes range from 20/200 to 20/8 (6/60 to 6/2.4) equivalent. 50% spaced rectangle (Massachusetts Visual Acuity Test format) with line sizes from 20/100 to 20/8 (6/30 to 6/2.4) equivalent. Has a hole for hanging the chart on the wall. -
Vectographic Projector Slide Pediatric Slide This pediatric projector slide test depth perception and binocularity under distance conditions. The top portion of each slide is a standard non-vectographic projector slide. The bottom portion is a vetographic slide that contains suppression control targets, a distance stereo acuity test, fixation disparity and binocular balance. Slide fits most AO and Marco projectors, and there are adaptable to a 10' or 20' lane. REQUIRES POLARIZING SCREEN. -
This screening battery is designed to detet vision problems in the pre-school population. It includes a test for visual acuity, eye alignment, binocular funtcion, farsightedness, lazy eye (amblyopia), and more. Utilizing new test such as the school bus test, this screening test for a great number of problems in a short period of time. This screening battery of test was designed for use by school personnel of members of service clubs such as Lions or Kiwanis with minimal training. Many test are pass/fail -
Pocket size cards for testing and evaluating non-readers. Seven different test targets printed on either side of 4 plastic cards with instructions on eigth side. Washable. Handy test for student clinicians and practicing professionals alike. -
The Sheridan-Gardiner Test contains both near vision and distance vision tests according to the Faculty of Ophthalmologists and Snellen Standards. This Test also includes a reduced Snellen Test. Testing depends on matching shapes rather than identifying or naming letters. All are reversible. The Sheridan Gardiner Test is primarily designed for children but is also usable for deaf mute or other patients unable to interact with traditional letter based visual acuity tests. Results are more reliable than illiterate E or similar tests. A series of orthoptic booklets in washable plastic finish are included with the basic kit to augment the range of letters in each size. -
Provides a large selection of products useful in testing and training the most common vision training problems. Includes accommodative difficulties, poor fusional ranges, high phorias, exercises for strabismics, unresponsive & difficult to test patients. Red/Green slides or targets are used with Red/Green glasses providing Base-In, Base-Out training, Tranaglyph slides offer true space testing & training for heterophorias and low fusional ranges. -
Colored Aperture Rule™ Cards These colorful cards add variation to your training. -
Extra Aperture Rule™ Cards Select either Bernstein Bears for pediatric use or Sports/Action targets. Techniques and target designs are developed for children and adult motivation. -
The Random Dot card set for the Aperture Rule™. The set of 15 full color randot images are bound together and fit the Aperture Rule Trainer Kit. Each card contains a unique image that appears when fused. -
Slayer 3D Variable Tranaglyph. Replaces the popular Topper Vectogram. Size: 10.5" x 5.5" Material: Red/Green slides on transparent vinyl Usage: Can be used with Dual Polachrome Trainer or other slide holders.
