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Available Powers Base CurveDiameterSphere Power RangeAdd Power8.714.4+6.00D to -8.00D (0.50D steps after -6.50D)+1.00, +1.50, +2.00, +2.508.714.4+6.25D to +20.00D (0.50D steps after +6.50D)+1.00, +1.50, +2.00, +2.508.714.4-8.50D to -20.00D (0.50D steps after +/-6.50D)+3.00, +3.50, +4.008.414.4+20.00D to -20.00D (0.50D steps after +/-6.50D)+1.00, +1.50, +2.00, +2.50, +3.00, +3.50, +4.00
Initial Fitting Spectacle RxDominant EyeNon-Dominant EyeADD*DESIGNDESIGN+1.00DDD+1.50DDD+2.00DDN+2.50DDN
Spectacle Rx
Dominant Eye
Non-Dominant Eye
ADD*
DESIGN
+1.00D
D
+1.50D
+2.00D
N
+2.50D