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Figure 4 | BMC Ophthalmology

Figure 4

From: The epidemiology of low vision and blindness associated with trichiasis in southern Sudan

Figure 4

Observed and predicted distribution of vision status by age group in persons with trichiasis (n = 319). Vision status: Normal vision = presenting visual acuity of ≥ 6/18 in the better eye; Low vision = presenting visual acuity of < 6/18 to ≤ 3/60 in the better eye; Blindness = presenting visual acuity of < 3/60 in the better eye. Children aged 0–4 years assumed to have normal vision.

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