| 
        IS/OS * Positive  group  | 
        IS/OS     Negative  group  | 
      
      
        No of eyes  | 
        24  | 
        18  | 
      
      
        Age (years)            | 
        59.45 (mean)  | 
        61.61  (mean)  | 
      
      
        No of women            | 
        8/18  | 
        13/24  | 
      
      
        Duration of diabetes (years)            | 
                     | 
                     | 
      
      
        Type of treatment
          (insulin)  | 
        6  | 
        5  | 
      
      
        Mean visual Auity    (Log MAR)             | 
        0.3958 (mean)  | 
        0.4500(mean)  | 
      
      
        Mean Hb A1c            | 
        7.9542  | 
        8.1239  | 
      
      
        Mean  initial  CSF
          (micro meter)  | 
        359.79  | 
        410.88  | 
      
      
        Mean  triglyceride   level
          (mg/dl)  | 
        175.75  | 
        162.33  | 
      
      
        Mean  cholesterol   level
          (mg/dl)  | 
        178.16  | 
        186.61  | 
      
      
          hypertension            | 
        14  | 
        7  |