Comparison of the Adult Strabismus Quality of Life Questionnaire (AS-20) with the Amblyopia and Strabismus Questionnaire (ASQE) among adults with strabismus who seek medical care in China

Table 4 Internal consistency reliability of the AS-20 and the ASQE

Subscale	Number of items	Internal consistency reliability*
AS-20
Total	20	0.91
Function	10	0.90
Psychosocial	10	0.85
ASQE
Total	26	0.89
Fear of losing the better eye	2	0.89
Distance estimation	10	0.86
Visual disorientation	3	0.88
Double vision	4	0.68
Social contact and appearance	4	0.76

ISSN: 1471-2415