The fields with the red border are required.
     
     
    BESSt MYOPIA   Dioptres Radius Mean corneal curvature  
    K1
     
    K2
     
        Dioptres Radius    
    Ant Radius mean r =
         
    Post Radius mean r =
       
    Ratio of Curvature
    norm 82.5%  
    Previous Refractive Rx
    Dioptres original Rx effect (estimated)  
    Central Corneal Thickness =
           
    Axial Length
             
    ACD IOLMaster
           
    ACD Pentacam
           
    Target Outcome
           
    Lens Constant          
    SRKT D SRKT (Sanders Retzlaff & Kraff)  
    BESSt 1.5 D      
    BESSt double-K D      
    Hoffer Q D Hoffer-Q  Ken Hoffer  
    research data not for patient use          
    Target SRKT HofferQ BESSt BESSt double-K