These vision testing tools are indispensable for any optometry practice. They help in conducting various eye exams, including vision acuity tests and vision assessments. The occluders are made from sturdy plastic, ensuring they withstand frequent use. Their portable design allows for easy storage and transport, making them convenient for on-the-go professionals. Features -Color:Assorted Color -Material:ABS -Size:19.50X6.20X1.00cm/7.66X2.44X0.39in -Durable materials: constructed from durable materials, this eye occluder is both durable and comfortable, ensuring longterm use and patient comfort -Multi use design: suitable for various optical instruments, this occluder can be used for vision testing, eye exams, and as an eye shield, making it highly versatile -Precision measurement: the accurate design of this accessory ensures precise measurements, aiding in the selection of the correct eyewear -Lightweight and portable: its small and lightweight design makes it easy to carry and use, for mobile professionals and home use -Wide range of compatibility: this eye occluder is compatible with a variety of optical devices, meeting the diverse needs of eye care professionals Package list: 3 x Handheld Eye Occluder