N=2727 (%)
Refraction Status  
Myopia n=1550(57%)
Hyperopia n=117(4%)
Emmetropia n=1060(39%)
Head position  
Normal n=1896(69.5%)
Head tilt n=831(30.5%)
Ocular height  
Normal n=1750(64.2%)
Un-symmetric n=977(35.8%)
Ocular alignment  
Orthophoria n=1732(63.5%)
Horizontal shift n=865(31.7%)
Vertical shift n=130(4.8%)
Table 2: Ophthalmologic data of Children in Taiwan.