LEA NUMBERS® Low Contrast Flipchart
Now it is easy to measure, record, and detect changes in the transfer of visual information when the change only affects visual acuity at low contrast levels. These charts present numbers at the...
A test for quickly measuring low contrast visual acuity at 25%, 10%, 5%, 2.5%, and 1.25% contrast by measuring the distance at which the symbols are seen. 10M symbols correspond to visual acuity 0.10 at 1 meter, 0.05 at 0.5 meters and 0.3 at .3 meters. VA values are thus easy to calculate. This test includes a table for conversion to Snellen equivalent VA values. Includes a response key and 5 pages.
Dimensions: 3.25" x 9" (8.25 cm x 22.9 cm).
Note: All products sold on Accuspire.com should be used by qualified clinician and should be purchased by or on order of a qualified clinician.
Now it is easy to measure, record, and detect changes in the transfer of visual information when the change only affects visual acuity at low contrast levels. These charts present numbers at the...
A pediatric vision screening test with LEA SYMBOLS®. This test was designed specifically for the Massachusetts Preschool Vision Screening Protocol. Includes one practice card, two line sizes of 20/40...
Since 2001, the West Virginia Vision Initiative for Children (VIC), an outreach program of the West Virginia University Eye Institute, has trained, equipped, and supported individuals who are...
A pediatric distance visual acuity eye chart featuring LEA SYMBOLS® for screening or testing individuals starting at age 21/2. This eye chart has two 2.5% low Contrast sides. The front side of...
A pediatric distance visual acuity eye chart featuring LEA SYMBOLS® for screening or testing individuals starting at age 3. This eye chart has two 2.5% low contrast sides. The front side of the...
Discounted Prices