![Visual acuity training instrument LY2 Visual acuity training instrument LY2](../upload/201907/1563170238.jpg)
Visual acuity training instrument LY2
· Model: LY2
· Patent Customization of Visual Training Instrument
· Applicable population: people under 3-16 years old with poor eyesight
![Visual acuity training instrument LY2 Visual acuity training instrument LY2](../upload/201907/1563170238.jpg)
Visual acuity training instrument LY2
· Model: LY2
· Patent Customization of Visual Training Instrument
· Applicable population: people under 3-16 years old with poor eyesight
![Visual acuity training instrument LY2 Visual acuity training instrument LY2](../upload/201907/1563170238.jpg)
Visual acuity training instrument LY2
· Model: LY2
· Patent Customization of Visual Training Instrument
· Applicable population: people under 3-16 years old with poor eyesight