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Table 4 Etiology for vision loss for the child (N = 249)

From: Retrospective data on causes of childhood vision impairment in Eritrea

Etiological Classification Specific conditions Frequency % Cumulative number (%)
Hereditary Suspected autosomal dominant (cataract and dislocated lens) 4 1.6 10 (4.0)
Unspecific: Retinitis pigmentosa 6 2.4
Intrauterine Suspected drug toxicity 2 0.8 5 (2.0)
Rubella retinopathy 1 0.4
Others 2 0.8
Perinatal/Neonatal Ocular infections including Ophthalmia neonatorum 6 2.4 11 (4.4)
Retinopathy of Prematurity (ROP) 5 2.0
Childhood Vitamin A Deficiency (VAD) 5 2.0 86 (34.5)
Keratoconus 12 4.8
Harmful traditional eye medication practice 2 0.8
Measles: corneal scar 1 0.4
Meningitis 3 1.2
Trauma (cataract, corneal scar and phthisis bulbi, retinal detachment, uveitis) 26 10.4
Refractive error/Amblyopia 30 12.1
Others 7 2.8
Unknown Cataract (11 post cataract surgery aphakia, 30 un-operated congenital cataract and 15 operated congenital cataract) 56 22.5 137 (55.0)
Glaucoma 13 5.2
Corneal Scar 19 7.6
Cortical blindness 6 2.4
Optic atrophy 9 3.6
Congenital globe deformities 8 3.2
Nystagmus 12 4.8
Others 14 5.6
Total 249 100.0 249 (100.0)