Table 1. The near stereoacuity of subjects in the ABV group according to its etiology.

	ABV group	Near stereoacuity (seconds of arc)			Total
		Good (60 or better)	Moderate (60< and ≤800)	Poor (worse than 800)
Subgroups	Strabismus	31	13	5	49
	Amblyopia	7	10	5	22
	Anisometropia	15	10	2	27
Total		53	33	12	98

Abbreviation: ABV, abnormal binocular vision.