Visual Impairment among Primary School Children in Gondar Town, Northwest Ethiopia

Table 2

Cause-specific proportion of visual impairment among visually impaired children in Gondar town.

Ocular condition	Unilateral visual impairment/blindness (n = 47)		Bilateral visual impairment/blindness (n = 23)
	N	Percentage	N	Percentage
Refractive error	33	70.1	18	78.3
Strabismus	1	2.1	0	0
Cataract	3	6.4	1	4.3
Corneal opacity and cataract	2	4.3	1	4.3
Glaucoma	2	4.3	0	0
Retinal disorders	1	2.1	0	0
Corneal trauma	2	4.3	0	0
Unconfirmed	3	6.4	3	13
Total	47	100	23	100