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■ Diversification test
1. Astigmatic fan dial
2. Cross cylinder
3. Cross grid
4. RG panal
■ LED source inside
■ Uniform illumination
■ No flicker, eye protection
■ Handheld, easier to use
■ Rechargeable lithium battery
■ More convenient to use
■ New multi-function near logarithmic vision acuity chart, and alphabet chart
■ Two sides for testing, one side test at 25 cm, the other side test at 30 cm
■ Fashion modeling,ultrathin design.
■ LED light source,energy conservation,power saving and long life.
■ Tow kind of LED brightness option.
Specifications
Instructions for using:
■ 25CM or 30CM distance from examinee when checking near vision.
■ It can be used separately or charging using.
■ In order to prolong using life,please power off the machine when unusing.
■ If there is dust on the machine,please use glasses cleaning cloth to wipe it.
■ Avoid sharp things scratch the surface.
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United States
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