Table 1 Characteristics of patients enrolled

Age of onset(y/o)

20.0 ± 7.3 (13 ~ 38)

21.3 ± 13.6 (3 ~ 48)

Age on treatment(y/o)

22.6 ± 7.4 (14 ~ 39)

25.0 ± 14.3 (4 ~ 50)

Untreated period (duration, yrs)

2.6 ± 2.3 (1 ~ 10)

2.1 ± 1.1 (1 ~ 4)

Angle of estropia (⊿)^a

 at near

23.6 ± 12.0 (8 ~ 45)

33.3 ± 15.4 (20 ~ 70)

 at distance

25.6 ± 14.4 (8 ~ 50)

34.4 ± 10.7 (25 ~ 60)

Stereoacuity^b

5.49 ± 1.55 (3000 ~ 40 s)

5.39 ± 1.69 (> 3000 ~ 40 s)

Refraction errors (D)^c

-4.76 ± 2.58 (0 ~ -8.25)

-4.11 ± 4.23 (+ 3.00 ~ -8.50)