20 ft: Wall Mount Eye Test Chart - Snellen Unavailable This poster gives you a

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water soluble and bacteriostatic lubricant

20 ft: Wall Mount Eye Test Chart - Snellen Unavailable This poster gives you a(22" x 11") Snellen chart tests for visual acuity with the familiar letters that progressively get smaller down the chart and is designed for testing at 20 feet. These plastic, non reflecting charts feature a brass eyelet for wall mounting. Charts are designed for 20 foot vision screening.