LEA® GRATINGS Preferential Looking Test Paddles for Infant & Pediatric Vision Assessment LEA® GRATINGS are the gold standard for preferential looking acuity testing in infants, children, and adults with developmental or communication disabilities. Each paddle displays grating levels from 0.25 to 8.0 cycles per centimeter (cpcm), enabling precise detection acuity measurement across the full clinical range. The complete set (SKU 253300) includes four calibrated paddles, detailed testing instructions, and a protective storage case—everything needed for immediate clinical use. Individual paddles and storage bags are available for replacement or expansion. Trusted by pediatric optometrists, developmental specialists, and vision researchers for reliable, non-verbal acuity assessment.
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