LEA CONTRAST SENSITIVITY TESTS
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Lea Numbers and Lea Pediatric Symbols
Note: We also have other types of contrast
tests: Snellen
Letters, Illuminated Cabinet Contrast Sensitivity Charts, Peli
Robson Contrast Sensitivity Charts
Lea
Numbers:
These Low Contrast Flip charts contain 5 pages of various
contrast levels showing 5 Lea Numbers on each page. Optotype size is 9.5M.
Contrast levels are 25%, 10%, 5%, 2.5% and 1.25%.
These flip charts can be used at several different
distances. These two sets are used for the same test. Each offers a different
set of symbols to guard against memorization. Includes instructions. Measures
9"x 3 1.4" (23x8.25cm) Product includes soft-tipped pointer, recording
forms and instructions. 36 months to 7 years.
270400 Low Contrast Flip Chart with
Lea Numbers
....................................................... $84.00 
270500 Low Contrast Flip Chart with a different sequence
of Lea Numbers ........... $84.00
251400 Low Contrast Flip Chart Recording Pad
............................................................. $5.75
Lea
Pediatric Symbols:
These Charts are the same as above except they employ
Lea Symbols. Contrast levels are the same at 25%, 10%, 5%, 2.5% and 1.25%.
Each offers a different set of Lea Symbols to guard
against memorization. Also uses recording forms (P/N 215400). Legend card
provided.
(Lea Contrast Sensitivity Scoring Grid)
(Lea Symbols Kit includes Contrast Booklet, legend
card, flash cards, instructions and score sheet)
251100 Low Contrast Flip Chart with
Lea Symbols
........................................................ $84.00
251200 Low Contrast Flip Chart with a different sequence
of Lea Symbols ............ $84.00
251400 Low Contrast Flip Chart Recording Pad
............................................................. $5.75
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