Check the listing for details. Eye Chart with Occluder Easy Installation Waterproof Eye Testing Chart for. Color: Black Pointer, Condition: New, Made in China. Listed at 16.06 USD. 1 Eye Occluder. It's designed to facilitate screening and testing with ease. With its simple design, this chart can help conduct tests quickly and efficiently. It's just take you 1 minute. 【Decorative and Educational】: Besides its functional use, this Eye chart can also serve as a decorative piece on the wall, adding an interesting educational to any room.