Low Vision | SK Read | Envision Vision | Envision University - Precision Vision
A Global Commitment to Low Vision Care
Precision Vision® Partners with World-Class Researchers to Deliver Gold-Standard Diagnostic Tools
According to data from the World Health Organization, more than 135 million people worldwide are currently affected by low vision, with Prevent Blindness America estimating that over 3 million U.S. residents navigate these visual limitations.
When individuals are told by their primary eye care providers that regular corrective lenses can do nothing more to improve their sight, they often experience profound frustration, unaware of the multidisciplinary rehabilitation pipelines available to them.
Precision Vision remains entirely dedicated to expanding independent living thresholds for this community. By collaborating directly with elite visual science pioneers—including Donald C. Fletcher, MD, August Colenbrander, MD, and Ian Bailey, OD—we systematically design, validate, and manufacture our signature gold-standard vision testing solutions.
Read September 2010 SK Read BriefingThe Envision University Platform
Because low-vision rehabilitation is a deeply collaborative, multidisciplinary practice, professional education acts as a critical anchor.
The annual Envision Conference serves as a vital platform bringing global thought leaders together to vet new visual interventions. Michael Epp, Director of Professional Education, notes: “Precision Vision truly understands the distinct clinical needs of this community. When they distribute a tool, it is backed by concrete peer-reviewed data, enabling clinicians to smoothly put it into play on the lane floor.”
40 cm (16 in.) SK Read Near Eye Chart
Named for the Smith-Kettlewell Eye Research Institute and developed in coordination with Dr. Donald C. Fletcher, the SK Read Test assesses the performance of adults encountering central or paracentral scotomas.
By using blocks of unrelated words spanning 8M down to 0.4M units, it strips out context clues, allowing words to be easily confused. Tracking the precise pattern of verbalized reader mistakes helps clinicians instantly map whether left-sided or right-sided scotoma boundaries are encroaching into the central macular tracking field.
1 Meter (40 in.) Colenbrander Low Vision Letter Chart
This calibrated chart contains precision-spaced Sloan optotypes scaled in strict logMAR increments from 50M to 5M on the main target pane, extending down to 1M on the inside sheet. When positioned at exactly 1 meter, it captures the entire low-vision range (from 20/1000 down to 20/20 equivalents).
The unit features a dedicated distance cord and patient occluder to guarantee precise 1-meter tracking lane metrics. The reverse side integrates proportionally spaced Times Roman reading blocks (4M to 0.6M), featuring dual alternative blocks from 3M onward to entirely eliminate patient memorization bias.
