Barrett True-K Toric Calculator  

Print This Calculation
Skip Navigation Links

             Right (OD)    Left (OS)      Optional:    K1    K2        IOL    

                                                                                                

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



History  
Pre-Lasik Ref. Post-Lasik Ref.



    

Select Right or Left

Flat K   (30~60 D)  
Flat Axis   (0~180 D)  

   

Steep K   (30~60 D)  
Steep Axis   (0-180 D)  

   

Axial Length   (12~38 mm)  
Optical ACD   (0.0~6.0 mm)  
Target Refraction    

   

Incision   SIA   (0.0~2.0 D)  
Incision Location   (0~360 D)  
Lens Thickness (2.0~8.0 mm)  
WTW (8~14 mm)