Illiterate "E" Chart, 20 Feet Face Shields -High index glass ensures highest

-High index glass ensures highest resolution stereo image

It even measures hard or soft contact lenses with the attachment accessory that comes standard

We’ve also included space on each case for custom engraving

lenses are 43mm wide and 32mm deep

-Patented double aspheric glass optics provide enhanced imagin

Illiterate "E" Chart, 20 Feet Face Shields -High index glass ensures highestManufacturer Part Number: 1241 Ideal for use with patients who are illiterate, not familiar with the Roman alphabet, or cannot speak. 20' distance Eight lines of the letter "E" pointing in different directions, with green and red bars Dimensions: 22" x 11", Duable plastic, Brass eyelet reinforced hole for easy hanging View the Product Sheet WARNING: Cancer and Reproductive Harm https: www. p65warnings. ca. gov