Patient Characteristics No. %( /220)
Type of Strabismus
XT* 165 75
ET* 35 15.91
HYPT* 20 9.09
Strabismus Frequency
Never found 33 15
<20% 62 28.18
20%~50% 84 38.18
>50% 41 18.64
Wearing Glasses
Yes 106 48.18
No 114 51.82
Genetic history
Yes 5 2.32
No 215 97.73
Systemic abnormality Systemic abnormality Systemic abnormality
Yes 22 10
No 198 90