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Barrett True K Formula - for prior myopic or hyperopic lasik/prk/rk

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Doctor Name Patient Name   Patient ID
Lens Factor   (-2.0~5.0)   or  A Constant  (112~125)  

History OD: History OS:
Pre-Lasik Ref. (R) Post-Lasik Ref. (R)  Pre-Lasik Ref. (L) Post-Lasik Ref. (L) 
   
Measurements: OD  OS
Axial Length (R) (12~38 mm)   Axial Length (L)    (12~38 mm)  
Measured K1 (R) (30~60 D)   Measured K1 (L)    (30~60 D)  
Measured K2 (R) (30~60 D)   Measured K2 (L)    (30~60 D)  
Optical ACD (R) (0~6 mm)   Optical ACD (L)    (0~6 mm)  
Target Ref. (R) (-10~10 D )   Target Ref. (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)