Table 2 Prevalence of vision loss
| Â | Vision loss | ||
|---|---|---|---|
frequency | % | 95% CI | |
Total | 481 | 9.2 | [7.7–10.9] |
Age (years) | |||
 15–44 | 111 | 5.1 | [3.8–6.8] |
 45–54 | 117 | 16.9 | [12.4–22.5] |
 55–64 | 140 | 23.4 | [17.0–31.3] |
≥ 65 | 113 | 21.1 | [14.8–29.3] |
Sex | |||
 Males | 160 | 7.2 | [5.6–9.1] |
 Females | 321 | 10.8 | [8.8–13.2] |
Ethnicity | |||
 African | 290 | 9.3 | [7.5–11.3] |
 White | 3 | 2.2 | [0.7–7.0] |
 Mixed race | 118 | 8.8 | [5.9–12.7] |
 Indian/Asian | 70 | 29.5 | [21.2–39.3] |
Highest Education | |||
 No formal schooling/Gr0–7 | 240 | 15.1 | [12.1–18.6] |
 Grade 8–12 (or equivalent) | 215 | 7.5 | [5.9–9.4] |
 Higher education | 26 | 6.3 | [3.4–11.4] |
Employed | |||
 No | 377 | 9.8 | [8.0–11.9] |
 Yes | 104 | 7.7 | [5.5–10.7] |
Urban/Rural residence | |||
 Rural | 155 | 8.3 | [6.4–10.7] |
 Urban | 326 | 9.7 | [7.7–12.2] |
Province | |||
 Western Cape | 87 | 7.8 | [5.2–11.7] |
 Eastern Cape | 36 | 6.3 | [4.1–9.6] |
 Northern Cape | 34 | 5.8 | [3.2–10.4] |
 Free State | 41 | 9.9 | [5.3–17.8] |
 KwaZulu Natal | 165 | 17.6 | [13.2–23.1] |
 North West | 26 | 5.1 | [2.8–9.2] |
 Gauteng | 54 | 9.2 | [5.6–14.7] |
 Mpumalanga | 9 | 1.3 | [0.5–3.4] |
 Limpopo | 29 | 7.3 | [4.3–12.0] |
Self-reported diagnosis of diabetes | |||
 No previous diabetes diagnosis | 386 | 7.8 | [6.5–9.5] |
 Previous diabetes diagnosis | 95 | 30.1 | [22.4–39.3] |
Years since last eye examination | |||
≤ 2 years | 158 | 13.3 | [9.7–18.0] |
 3–5 years | 38 | 13.2 | [8.1–20.9] |
 > 5 years | 27 | 8.8 | [4.6–16.4] |
 Never | 258 | 7.7 | [6.2–9.4] |
Do you use eyeglasses or contact lenses to see far away†| |||
 Yes | 111 | 14.3 | [9.3–21.2] |
 No | 367 | 8.4 | [7.0–10.1] |
Do you use eyeglasses or contact lenses to see up close†| |||
 Yes | 126 | 12.4 | [8.2–18.2] |
 No | 348 | 8.5 | [7.1–10.2] |
In the last 30 days, how difficult was it to see & recognize an object or a person you know across the road (from a distance of about 20 m)?†| |||
 None | 269 | 6.3 | [5.1–7.7] |
 Mild | 84 | 19.1 | [13.0–27.0] |
 Moderate | 63 | 24.1 | [17.7–31.8] |
 Severe | 49 | 36.3 | [23.0–52.0] |
In the last 30 days, how difficult was it to see & recognize an object at arm’s length†| |||
 None | 260 | 6.3 | [5.1–7.7] |
 Mild | 98 | 18 | [13.1–24.2] |
 Moderate | 62 | 23.4 | [16.9–31.4] |
 Severe | 46 | 40 | [26.0–55.8] |