Description WATER CONTENT: 42% B.C.: 8.6 C.T.: 0.08MM (-3.00D) DIA.: LABLE 14.2MM, REAL 16.0MM EFFECT 18.0MM POWER: 0.00 -1.00 TO -5.00 /0.25 A STEP -5.00 TO -8.00 /0.50 A STEP USAGE: 1 YEAR