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) | |