9PCS Eyeglasses Optometric Testing Tool Double Holder Accurate ACA Phoria Strabismus Tester

Feature: 1. EASY TO CARRY: This strabismus measurement tool with a double stand is portable and easy to use, and is an important reference in assessing binocular vision and managing binocular vision abnormalities. 2. ACCURATE TESTING: This strabismus measurement tool can accurately measure ACA and is suitable for near and far measurements. 3. ESSENTIAL TOOL: This strabismus measurement tool is an important and essential tool for binocular vision examinations. 4. MAIN APPLICATION: This strabismus measurement tool can be used for horizontal and vertical occult strabismus; rotational occult strabismus; and examination of unequal images. 5. ABS MATERIAL: This strabismus measuring tool is made of ABS plastic, which has good wear resistance and is lightweight. Specification: Item Type: Eyeglasses Optometric Testing Tool Material: ABS Use: Quick check eye position AC A Product Power Supply: 2 x AAA dry batteries (built in carry) Single capacity 600mAh. Package List: 1 x Eyeglasses Optometric Testing Tool1 x Holder(Random color)1 x Trial Frame4 x Hole Mirror2 x Test Sheet1 x InstructionEASY TO CARRY: This strabismus measurement tool with a double stand is portable and easy to use, and is an important reference in assessing binocular vision and managing binocular vision abnormalities. ACCURATE TESTING: This strabismus measurement tool can accurately measure ACA and is suitable for near and far measurements. ESSENTIAL TOOL: This strabismus measurement tool is an important and essential tool for binocular vision examinations. MAIN APPLICATION: This strabismus measurement tool can be used for horizontal and vertical occult strabismus; rotational occult strabismus; and examination of unequal images. ABS MATERIAL: This strabismus measuring tool is made of ABS plastic, which has good wear resistance and is lightweight.