Enviro Testers Gadget Handheld Refractometer

This gadget handheld refractometer has a cylinder range of -5.0D to +5.0D, sphere tolerance of -12.0D to +12.0D, and astigmatism range of 1° to 180°. 

SKU: ETEHRFM-229 Category:

Features

  • Probably the fastest objective vision screener 
  • Save, print or share the report 
  • Objective and accurate refractive assessment 
  • Simply put the screener against the forehead 
  • Ideal for challenging patients such as infants, disabled patient 
  • Revolutionary design brings superior user experience 

 

Technical Specifications

Sphere Tolerance  -12.0D to +12.0D 
Cylinder Range  -5.0D to +5.0D 
Astigmatism Range  1° to 180° 
Net Weight  12.69 oz (360 g) 

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