1、DOUBLE SIDED: This eye chart is printed on a sturdy, heavy, well quality plastic card, making it resilient enough to be carried in your pocket without getting damaged. 2、VISION TEST: Featuring red and green color bars on the chart, it offers a straightforward yet effective tool for a color vision test. 3、2PCS EYE OCCLUDER INCLUDED: The product comes with a durable, light, and large eye occluder that comfortably covers the eye without causing discomfort during an eye exam. 4、SUITABLE FOR LIMITED SPACE: This eye chart is ideal for conducting optometric examinations at a distance of 6 inch from the viewer. Excellent for vision tests in constrained spaces. 5、WIDE APPLICATIONS: This chart is perfect for optometrists, ophthalmologists, medical students, offices, schools, and everyday household members. 1 x Eye Charts2 x Eye Occluder Item Type: Pocket Eye ChartsMaterial: ABSApplication: Ideal for optometrists, ophthalmologists, medical students, offices, schools, and everyday family members