Huanyu Visual Acuity Chart Digital 21.5inch LCD Electronic Optical Eye Charts with 44+ Visual Targets and 5 Display Methods Optometry Tester Projector with Remote
- ...pia training, etc. used to measure astigmatism and color weakness..
- 5 DISPLAY MODES: The eye chart has five display methods: branch display, column display, single display, red and green display, full-screen display, you can adjust through the remote control, which fully meets your various needs..
- HIGH PRECISION: The working distance of our visual acuity chart: 8 meters. And it can be adjusted accurately, with the highest accuracy of 0.1 meters (the image size can be adjusted by adjusting the working distance.) In addition, it is equipped with a high-quality remote control, and its working distance is up to eight meters..
- AFTER-SALES SERVICE: All customers who have purchased in our store can enjoy one-year after-sales service and lifetime online one-to-one technical guidance. If you have any questions, please contact us immediately, we will solve your problem as soon as possible..