Prevalence of Myopia among Children Attending Pediatrics Ophthalmology Clinic at Ohud Hospital, Medina, Saudi Arabia

Table 2

The association between severity of myopia with eye position and strabismus angle.

Variables			Myopia			Total	Chi-square
			Low	Moderate	High		X^2	value
Eye position	Normal	N	21	13	20	54	8.912	0.179
		%	63.6	54.2	69.0	62.8
	Exophoria	N	9	8	3	20
		%	27.3	33.3	10.3	23.3
	Exotropia	N	3	3	4	10
		%	9.1%	12.5%	13.8%	11.6%
	Esotropia	N	0	0	2	2
		%	0.0	0.0	6.9	2.3
Strabismus angle	5°	N	8	2	0	10	24.999	0.002
		%	66.7	18.2	0.0	31.3
	10°	N	1	3	0	4
		%	8.3	27.3	0.0	12.5
	15°	N	0	1	5	6
		%	0.0	9.1	55.6	18.8
	20°	N	1	1	2	4
		%	8.3	9.1	22.2	12.5
	>25°	N	2	4	2	8
		%	16.7	36.4	22.2	25.0

Significant at value less than 0.05.