UCanSee Snellen Eye Chart Visual Acuity Chart (22x11 Inches) with Eye Occluder and Pointer for Eye Exams 20 Feet

Product Description The Snellen chart is a standard tool used to assess visual acuity. The size of each optotype is meticulously designed following the one-minute visual angle principle, guaranteeing precise measurements for accurate vision testing. This product ships from: United States / China.   Material and Durability: This vision chart is constructed from thick and robust PVC material, ensuring its toughness and waterproof properties. The matte finish effectively eliminates glare and reflections, creating an optimal testing environment for precise results. Accurate Size and Design: Each optotype on the Snellen chart is meticulously designed according to the one-minute visual angle principle, guaranteeing precise measurements for accurate vision assessments. The incorporation of red and green color bars facilitates the evaluation of red-green color deficiency. Convenient Testing Tools: It comes equipped with an eye occluder and a pointer, enabling individual testing of the left an