Home > Optometry Instrument > Visual chart light box > 5M Vision Chart Light Box > LY-21C-3 LED Super thin 5M Numeric type Visual chart light box

LY-21C-3 LED Super thin 5M Numeric type Visual chart light box

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Product Abstract:

Size:902*302*17mm | Standard: 5M | Frame: Aluminium alloy | Weight: 1.32kg


Product Description

 

Product Abstract:
This visual chart light box is made of high quality raw materials, all aspects of its performance are far beyond the traditional visual chart light box.
Features: 
■ Brightness is uniformity, light soft and comfortable
■ The charts are not easy to wear, and can maintain a long-term clear;
■ DC light source, light stability;
■ Long life, portable, energy-saving and so on.

 

Specification:
Type of chart: Numeric charts,astigmatic chart,red/green balance chart
Frame material: Aluminium alloy
Light source: LED
Distance of testing: 5m
Range of testing: from 4.1 to 5.3
Record of vision: five points record,decimal record,fraction record
Size: 902*302*17mm
Gross weight(1pc) 1.7kg
Packing size(1pc): 101*37*9cm
Gross weight(5pcs): 12kg
Packing size(5pcs): 105*39*44cm

 

 

 

 

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