... auto lensmeter 2.top-grade quality CE /FDA /RoHS /ISO 3.fast delivery time auto lens meter auto lensmeter# ... diopter and prism measurement range for spherical lens, cylinder lens, progressive multi-focal lens, hard and soft contact lens5.support meansurement ... 1. 4 different background color2. automatically discriminate Progressive lens or Spherical lens fastly3. can be input Sender's name, company, ...