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Pediatric near vision card featuring LEA Symbols pediatric symbols for testing children or illiterate adults at 16" (40 cm). It's small size makes it easy to carry or store. Front side contains proportionally-spaced lines in logarithmic progression with line sizes ranging from 20/400 to 20/10 (6/120 to 6/3) equivalent. The reverse side features pediatric symbols in 50% spaced rectangle (Massachusetts Visual Acuity Test format). Line sizes range from from 20/100 to 20/16 (6/30 to 6/4.8). -
Designed by two low vision doctors. This chart has a 20/630 size number as well as numbers & tumbling "E's" that are 20/500, 20/400, & 20/317 sizes. These take the memory out of acuity testing. The 20/250 page & below have four numbers of the same size. This allows you to test each eye individually without concern for memoriztion. Also, by observing which number is seen first, the tester can decide which part of the field has the best fixation. Chart lists size by logmar & Snellen equivalent to 20/20. -
Projector Slide Replacements MultiAcuity Projector Slide Letter Acuity, Tumbling "E", Allen Figure Test This family of projector slides are designed for testing all ages. Made of high quality photographic film, sealed between two pieces of glass to ensure sharp optotypes to maintain the integrity of your exam. Each slide must be adjusted for use on different length testing lanes. -
The OCULUS Binoptometer® 4P is a professional screening instrument for testing all relevant visual functions. The used future-oriented technology allows an almost unlimited representation of various vision tests. Vision-screening instrument with contrast sensitivity testing and optional mesopic vision and glare sensitivity testing.New Test Presentation
Vision tests are presented on a high-resolution micro-color display, allowing a virtually unlimited presentation of vision tests.Unbeatable
Contrast sensitivity, optional mesopic vision and glare sensitivity testing with just one instrument.Ergonomic
Convenient height adjustment range of 4.13 inch (10.5 cm). In addition, the viewing angle is fully adjustable up to a 35° downgaze, thus enabling testing to be done ergonomically with any eyeglasses.