Feature:
1. Waterproof: The surface of the vision tester ruler has a matte coating, which is waterproof and stain resistant, and is very easy to clean.
2. Clear Pattern: The pattern and text on the vision tester tool are clearly printed, with natural colors, making it more convenient to use.
3. Wide Application: Vision tester tool is small in size and light in weight, and can be used for vision tests at home, schools, hospitals, etc.
4. Portable: The thicken vision tester is light in weight, about 8g, you can put it in your bag and you can take the vision test anytime.
5. Thickened: The check vision tester uses 2mm thickened material, which is very durable and can be used for a long time, and the quality is assured.

Specification:
Item Type: Check Vision Tester
Material: Plastic
Size: 5*18cm
Function: Vision test

Package List:
1x Check Vision Tester