US FDA Registered
This chart featuring LEA NUMBERS® is designed to measure visual acuity with a standard line test and with three tighter spaced tests; 50%, 25%, and 12.5% which often reveal difficulties in seeing tightly crowded details. Line sizes range from 20/400 to 20/10 (6/120 to 6/3) equivalent, 0.05 to 2.00.
Dimensions: 8" x 10" (20.3 cm x 25.4 cm).
Testing distance: 16"/40cm.
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.
This card combines a LEA SYMBOLS® line test on one side and a LEA NUMBERS® line test on the opposite side. Features proportionally-spaced lines from sizes 20/400 to 20/10 (6/120 to 6/3) equivalent...
A LEA NUMBERS® standardized near vision adult chart for illuminated cabinets. This chart displays two tests in an ETDRS format with proportionally spaced (logMAR) lines. Line sizes range from 20/400...
This standardized adult vision assessment chart is designed to measure visual acuity with a standard line test and with three tighter spaced tests; 50%, 25%, and 12.5% which often reveal difficulties...
This test assesses the functional vision of a child at near distances and can also be used to familiarize a child with the testing procedure before introducing a distance test. Features...
These five LEA NUMBERS® Cards can be used for presentation as single optotypes or arranged in a row as a line test. When the cards are next to each other, the space between the numbers is equal to...
This card combines a LEA SYMBOLS® line test on one side and a LEA NUMBERS® line test on the opposite side. Features proportionally-spaced lines from sizes 20/400 to 20/10 (6/120 to 6/3) equivalent...
A LEA NUMBERS® standardized near vision adult chart for illuminated cabinets. This chart displays two tests in an ETDRS format with proportionally spaced (logMAR) lines. Line sizes range from 20/400...
This standardized adult vision assessment chart is designed to measure visual acuity with a standard line test and with three tighter spaced tests; 50%, 25%, and 12.5% which often reveal difficulties...
This test assesses the functional vision of a child at near distances and can also be used to familiarize a child with the testing procedure before introducing a distance test. Features...
These five LEA NUMBERS® Cards can be used for presentation as single optotypes or arranged in a row as a line test. When the cards are next to each other, the space between the numbers is equal to...
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