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Do not base your order on the picture presented.
Designed as a rapid test for checking current prescription and accuracy of the add to be prescribed.
Line increments in logMAR units in Snellen equivalent notations.
Acuity range 8.0M to .4M (20/400 to 20/20).
Measures 9.5x16cm (3.5x6.5in)
Medex SKU: GL-925800