Product description
Standard logarithmic visual acuity chart
Tips: The eye chart should be tested in a place with sufficient light or good lighting
Check the right eye first, then the left eye, using an eye shield
Manufacture Country: China
Instructions Included: yes
Conversion: 1cm=0.39inch /1 inch=2.54cm
Detection distance :3 meters
Material: removable coated paper
Process: Coating light film
Hanging height: 1 meter from the ground or suitable height
1, Please allow 1-3cm difference due to manual measurement.
2, Due to different monitors and different lighting, the image may not reflect the actual color of the item.
3, Thanks for your understanding.