India's Largest Producer of Progressive, Bifocal  & Single Vision lenses. Exporting to over 30 countires worldwide.
BASE CURVE AND CENTRE THICKNESS CHART
MINERAL WT 1.7 65mm    
    ( - +)      
  SPH. 0.00 0.25 0.50 0.75 1.00
 
(DPT.)          
+3.75 -3.00 1.0 1.0 1.0 1.0 1.0
BASE -3.25 1.0 1.0 1.0 1.0 1.0
  -3.50 1.0 1.0 1.0 1.0 1.0
  -3.75 1.0 1.0 1.0 1.0 1.0
  -4.00 1.0 1.0 1.0 1.0 1.0
 
-4.25 1.0 1.0 1.0 1.0 1.0
  -4.50 1.0 1.0 1.0 1.0 1.0
+3.00 -4.75 1.0 1.0 1.0 1.0 1.0
BASE -5.00 1.0 1.0 1.0 1.0 1.0
 
-5.25 1.0 1.0 1.0 1.0 1.0
  -5.50 1.0 1.0 1.0 1.0 1.0
  -5.75 1.0 1.0 1.0 1.0 1.0
  -6.00 1.0 1.0 1.0 1.0 1.0
 
-6.25 1.0 1.0 1.0 1.0 1.0
  -6.50 1.0 1.0 1.0 1.0 1.0
  -6.75 1.0 1.0 1.0 1.0 1.0
+2.25 -7.00 1.0 1.0 1.0 1.0 1.0
BASE
-7.25 1.0 1.0 1.0 1.0 1.0
  -7.50 1.0 1.0 1.0 1.0 1.0
  -7.75 1.0 1.0 1.0 1.0 1.0
  -8.00 1.0 1.0 1.0 1.0 1.0
 
-8.25 1.0 1.0 1.0 1.0 1.0
  -8.50 1.0 1.0 1.0 1.0 1.0
  -8.75 1.0 1.0 1.0 1.0 1.0
+1.50 -9.00 1.0 1.0 1.0 1.0 1.0
BASE
-9.25 1.0 1.0 1.0 1.0 1.0
  -9.50 1.0 1.0 1.0 1.0 1.0
  -9.75 1.0 1.0 1.0 1.0 1.0
  -10.00 1.0 1.0 1.0 1.0 1.0
 
-10.25 1.0 1.0 1.0 1.0 1.0
  -10.50 1.0 1.0 1.0 1.0 1.0
+0.75 -10.75 1.0 1.0 1.0 1.0 1.0
BASE
-11.00 1.0 1.0 1.0 1.0 1.0
  -11.25 1.0 1.0 1.0 1.0 1.0
  -11.50 1.0 1.0 1.0 1.0 1.0
  -11.75 1.0 1.0 1.0 1.0 1.0
  -12.00 1.0 1.0 1.0 1.0 1.0
Copyright 2003-2004, gkbopticals.net. 
All Rights Reserved, Site Designed and Developed by MaxTech Solutions