Sigma HD Series
Sigma series lenses are designed to create the best interaction between the lens and the eye.
The design of each lens is uniquely calculated and optimized for every user to achive the highest visual acuity.
Sigma series are available in three different group of designs. Each of them for different wearing needs.
Sigma HD, a multi design progressive for general use.
Sigma H HD, designed for a better distance.
Sigma S HD, designed for better and wider near vision.
Sigma series are available in almost all materials with three different corridor length of 7 ,9 and 11 mm.
|CORRIDOR LENGTH (CL):||7/9/11 MM|
|NEAR REFERENCE POINT (Npy):||10/12/14 MM|
|FITTING HEIGHT:||15/17/19 MM|
|DECENTERATION UP TO 10MM AT MAX. DIA. 80 MM|
|DEFAULT WRAP:||5 DEGREE|
|DEFAULT TILT:||7 DEGREE|
|BACK VERTEX:||13 MM|
|ADDITION:||0.5 – 3.50 DPT.|