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Optoma UHZ45 - DLP projector - laser - portable - 3D - 3800 lumens - 3840 x 2160 - 16:9 - 4K - Walmart.com
Optomatters - T-Shirt with a Snellen chart printed in mirror image. The letter card measures a visual acuity at a distance of 3 meters. Available on optomatters.com More info soon on thevisionplatform.com
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Optoma H185X 3700 ANSI lumens DLP WXGA 1280 x 800 3D Data Ceiling Floor Mounted Projector Black | Office Business Supplies
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