Fusional Vergence Detected by Prism Bar and Synoptophore in Chinese Childhood Intermittent Exotropia

Table 2

Characteristics of patients with intermittent XT and normal subjects.

	IXT	Normal control	-value	value
Number of cases	92	86
Mean age (years)	10.29 ± 1.53	10.55 ± 2.30	−0.45	0.67
Gender
Male	49	48	0.09 ( value)	0.79
Female	43	38
Refraction
Right eye	−1.95 ± 1.63	−1.68 ± 1.79	−0.52	0.61
Left eye	−2.01 ± 1.73	−1.57 ± 1.51	−0.89	0.38