Table 6. Associations between postoperative visual acuity difference between eyes and postoperative onset of strabismus.

Variables	Bilateral cataract (n=64)			Unilateral cataract (n=44)
	Postop. orthotropia (n=53)	Postop. strabismus (n=11)	P	Postop. orthotropia (n=31)	Postop. strabismus (n=13)	P
-20/200	35	3		0	0
20/160-20/70	13	6		8	0
20/63-20/40	4	2		7	3
20/32-20/25	0	0		13	6
20/20-	0	0		2	4
≤20/70	48	9 (15.8%)	0.282	8	0 (0%)	0.039
>20/70	4	2 (33.3%)		22	13 (37.1%)
Unable to measure	1	0		1	0