Optoma Technology, Inc. - Optoma ZU725T 7800 Lumens WUXGA Ultra Bright Professional Installation Laser Projector - PSS Audiovisual Equipment
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