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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. -
Illiterate Tumbling E ETDRS vision chart with proportionally spaced (geometric progression) lines; line sizes range from 20/200 to 20/10 (6/60 to 6/3) equivalent. -
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. -
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
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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. -
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. -
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. -
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). -
This cards combines a LEA Symbols® line test on one side and a LEA Numbers® line test on the opposite side. Proportionally-spaced lines from sizes 20/400 to 20/10 (6/120 to 6/3) equivalent. Attached 16-inch (40cm) cord ensures proper testing distance. Response key printed on test card. Flash cards and instructions included. 8" x 10" (20.3 cm x 25.4 cm). -
Handheld vision test with LEA Symbols pediatric symbols features 50% spaced contour interaction bars to provide single optotype acuity with the proper crowding effect. Optotype line sizes from 20/100 to 20/20 (6/30 to 6/6) equivalent. This book can also be used for vision testing of illiterate adults or geriatric patients. Includes response key, flash cards, and instructions. 17 pages. 4" x 4" (10.2 cm x 10.2 cm). -
The LEA Puzzle is designed for training and assessing typically developing toddlers and other young children. The puzzle also serves as an assessment tool for individuals with brain damage or for older children and adults with low cognitive abilities. The goal in the play training of toddlers and young children is to help them develop the concept of same/different as a prerequisite for early measurement of visual acuity. -
Proportionally spaced (logMAR); line sizes range from 20/125 to 20/8 (6/38 to 6/2.4) equivalent, 0.16 to 2.50. This chart can either be wall mounted or used in an ESV1200 or Model A+ illuminated cabinet. Includes response key, training cards, and instructions. 10 feet/3 meters testing distance
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