| Parameters(mm) | 
        Symptomatic    PAC-affected eyes | 
        Symptomatic    PAC-felloweyes | 
        t value | 
        P value | 
       
      
        | ACD  | 
        1.80 ± 0.24 | 
        1.90 ± 0.23 | 
        -2.129 | 
        0.038 | 
       
      
        | LT  | 
        5.22 ± 0.40 | 
        5.14 ± 0.36 | 
        1.147 | 
        0.257 | 
       
      
        | CLR  | 
        1.10 ± 0.27  | 
        1.01 ± 0.23 | 
        1.349 | 
        0.043 | 
       
      
        | AL  | 
        22.24 ± 0.83 | 
        22.24 ± 0.84 | 
        0.360 | 
        0.720 | 
       
     
    
    PAC: Primary angle closure; ACD: Anterior chamber depth; LT: Lens thickness; CLR: Crystalline lens rise; AL: Axial length |