Snellen Eye Chart, Eye Charts for Eye Exams 20 Feet with Wood Frame 11x22 Inches, Canvas Low Vision Eye Test Wall Chart with Eye Occluder Hand Pointer for Kids Gifts Snellen eye chart is widely used to measure visual acuity. This snellen wall chart is the familiar chart with the big letter at the top and progressively smaller letter at the bottom of the chart. It helps to monitor eye vision at home or office conveniently. Main Features: 1.Clear print on canvas, durable and steady 2.No curling memory, easy to flatten 3.Ready to hang, have a visual acuity test at a distance of 20 feet away 4.Red and Green color bars for easy and helpful color vision test Specifications: Product Name: Snellen eye chart with wood handle Material of Eye Chart: Canvas and wood Size of Eye Chart: 22 inches x 11 inches (Height x Width) Weight of Eye Chart: 150g Weight of Eye Cover: 15g Size of Eye Cover: 7.65 inches x 2.1 inches (Length x Width) Weight of Hand Pointer 10g Size of Hand Pointer: 10.43 inches Long Package Includes: 1pc snellen eye chart for eye exams 20 Feet 1pc eye occluder 1pc hand pointer Check your visual acuity at all times is a good way!