Features： 1、Handheld Design: Handle is long enough not to block the view during optometry, with ergonomic design, easy to put on your eye and comfortable to hold. 2、Without Pressure: Round shape and appropriate size can fully cover your eyes. Eye occluder is light in weight without putting pressure on eyes when doing eye exams. 3、For Eye Chart Exam Use: Use eye occluder to gentle cover one eye, and check the other eye. Wonderful and great eyesight test tool for school and hospital. 4、Wide Application: Suitable for everyone, preschool, kindergarten children, school age children, teens, adults and seniors, for professional optical store use. 5、Long Lasting: Made of ABS plastic material, eye occluder will not easily break, has long service life, is practical and convenience to use. Specification： Item Type: Eye Occluder Material: ABS Plastic Scope: Suitable for everyone, preschool, kindergarten children, school age children, teens, adults and seniors Package List： 1 x Eye Occluder