Table 1

Demographic characteristics of treatment groups A and P

Treatment A (n =18 ):
Mean age5.5 years
Frequency of strabismus95.2% (17/18)
Frequency of anisometropia88.9% (16/18)
Mean spherical error+5.5 DS
Mean duration therapy (months)7.2
Treatment P (n = 18):
Mean age5.5 years
Frequency of strabismus88.9% (16/18)
Frequency of anisometropia66.7% (12/18)
Mean spherical error+ 4.6 DS
Mean duration therapy (months)4.3 months