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Professional Visual Function Testing Ruler Visual Inspection Adjustment Measuring Ruler RD011
$56.99 USD$94.89 USD
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Product Details
Visual function adjustment detection ruler
Mainly used to detect various data of visual function and determine the range of anomalies
Used to adjust the near point (adjustment amplitude), positive and negative relative regulation, regulation response, convergence of near points, etc
Main parameters:
Pole length 54cm, made of acrylic material
Four cards, thickened and covered with waterproof film
Mainly used to detect various data of visual function and determine the range of anomalies
Used to adjust the near point (adjustment amplitude), positive and negative relative regulation, regulation response, convergence of near points, etc
Main parameters:
Pole length 54cm, made of acrylic material
Four cards, thickened and covered with waterproof film
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