(Your data will not be saved.  Please print a copy for your record.)  Print This Calculation

Barrett Universal II Formula

Skip Navigation Links

     

Doctor Name Patient Name   Patient ID
Lens Factor  (-2.0~5.0)   or  A Constant   (112~125)  
Measurements: OD OS
Axial Length (R)    (12~38 mm)   Axial Length (L)    (12~38 mm)  
Measured K1 (R)    (35~55 D)   Measured K1 (L)    (35~55 D)  
Measured K2 (R)    (35~55 D)   Measured K2 (L)    (35~55 D)  
Optical ACD (R)    (0~6 mm)   Optical ACD (L)    (0~6 mm)  
Refraction (R)    (-10~10 D )   Refraction (L)    (-10~10 D) 
Optional:
Lens Thickness (R)    (2~8 mm)  Lens Thickness (L)    (2~8 mm) 
WTW (R)    (8~14 mm    WTW (L)    (8~14 mm)