Vergence and Accommodative Dysfunctions in Emmetropic and Myopic Chinese Young Adults

Table 3

Distribution of accommodative and vergence dysfunction by refractive error groups.

	Emmetropes		Low myopes		Moderate myopes		High myopes		Total		value	Pearson’s r
	n	%	n	%	N	%	n	%	n	%
Convergence insufficiency	15	15.8	13	12.1	5	4.7	7	6.6	40	9.6	0.008	−0.130
Convergence excess	1	1.1	1	0.9	1	0.9	1	0.9	4	1.0	1.000	−0.004
Divergence insufficiency	4	4.2	2	1.9	11	10.3	12	11.3	29	7.0	0.008	0.131
Divergence excess	0	0.0	1	0.9	1	0.9	1	0.9	3	0.7	0.619	0.036
Basic esophoria	3	3.2	10	9.3	6	5.6	2	1.9	21	5.1	0.420	−0.043
Basic exophoria	8	8.4	16	15.0	6	5.6	15	14.2	45	10.8	0.668	0.024
Fusional vergence dysfunction	5	5.3	1	0.9	2	1.9	1	0.9	9	2.2	0.093	−0.088
Accommodative insufficiency	8	8.4	3	2.8	4	3.7	3	2.8	18	4.3	0.102	−0.083
Accommodative infacility	2	2.1	3	2.8	2	1.9	2	1.9	9	2.2	0.881	−0.130
Normal binocular vision	51	53.7	61	57.0	72	67.3	64	60.4	248	59.8	0.174	0.067