Definition of vision status adopted from the international statistical classification of diseases (Source: WHO [30]).

<p>Definition of vision status adopted from the international statistical classification of diseases (Source: WHO <a href="http://www.plosntds.org/article/info:doi/10.1371/journal.pntd.0001538#pntd.0001538-Hart1" target="_blank">[30]</a>).</p

Disability weights used to assess the sensitivity of the analysis to uncertainty in severity.

<p>Disability weights used to assess the sensitivity of the analysis to uncertainty in severity.</p

Models used to assess the sensitivity of the burden estimates to uncertainty in the duration.

<p>NV – Normal vision.</p><p>LV – Low vision.</p

Years Lived with Disability/1000 person years (3,1) estimated using alternative disability weights.

<p>DW – Disability weight.</p

YLDs (3,1) (/1000 person years) using different assumptions about duration and severity in South Sudan.

<p>YLDs (3,1) (/1000 person years) using different assumptions about duration and severity in South Sudan.</p

YLDs (3,1) lost due to trichiasis by age in South Sudan.

<p>YLDs (3,1) lost due to trichiasis by age in South Sudan.</p

Trichiasis free life expectancy (TTFLE), Trichiasis life expectancy (TTLE) with normal vision, TTLE with low vision and TTLE with blindness by gender.

<p>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.</p

Distribution of predicted proportions of vision status by age group and gender in persons with trichiasis in Mankien district (n = 319).

*<p>Children aged 0–4 years assumed to have normal vision.</p>**<p>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.</p

The study population and distribution of vision status.

<p>The study population and distribution of vision status.</p

Life expectancy (LE), Trichiasis free life expectancy (TTFLE), Trichiasis life expectancy (TTLE), TTLE with normal vision, TTLE with low vision and TTLE with blindness.

<p>(%) = proportion of remaining life.</p