From: Refractive errors and visual impairment among children and adolescents in southernmost China
Age groups |  | n | Myopia % (CI) (SE ≤ -0.50D) | Myopia %(CI) (SE ≤ -6.00D) | Hyperopia%(CI) (CI) (SE*) | Hyperopia%(CI) (SE ≥  + 3.00 D) | Stigmatism%(CI) (Cyl*) |
---|---|---|---|---|---|---|---|
6–8 | All | 11,277 | 31.2 (30.4–32.1) | 0.2 (0.1–0.3) | 5.6 (5.2–6.0) | 0.6 (0.5–0.8) | 29.9 (29.0–30.7) |
Femal | 5078 | 32.7 (31.4–34.0) | 0.2 (0.1–0.3) | 5.6 (4.9–6.2) | 0.7 (0.4–0.9) | 28.6 (27.4–29.8) | |
Male | 6199 | 30.0 (28.9–31.1) | 0.2 (0.1–0.3) | 5.6 (5.1–6.2) | 0.7 (0.5–0.9) | 30.9 (29.8–32.1) | |
9–11 | All | 12,292 | 50.1 (49.2–51.0) | 0.93 (0.8–1.1) | 3.6 (3.3–3.9) | 0.6 (0.5–0.7) | 32.7 (31.9–33.5) |
Femal | 5366 | 55.1 (53.8–56.4) | 1.1 (0.8–1.4) | 3.4 (2.9–3.8) | 0.6 (0.4–0.8) | 31.8 (30.6–33.1) | |
Male | 6926 | 46.2 (45.0–47.4) | 0.8 (0.6–1.0) | 3.8 (3.4–4.3) | 0.6 (0.4–0.8) | 33.4 (32.3–34.5) | |
12–15 | All | 7955 | 60.5 (59.5–61.6) | 2.10 (1.8–2.4) | 3.2 (2.8–3.6) | 0.6 (0.4–0.7) | 33.4 (32.4–34.4) |
Femal | 3286 | 69.1 (67.6–70.7) | 2.7 (2.2–3.3) | 5.4 (3.1–4.4) | 0.8 (0.5–1.1) | 32.9 (31.3–34.5) | |
Male | 4669 | 54.4 (53.1–55.9) | 1.7 (1.3–2.0) | 2.8 (2.3–3.3) | 0.5 (0.3–0.6) | 33.8 (32.4–35.1) | |
Total |  | 31,524 | 46.0 (45.4–46.5) | 1.0 (0.9–1.1) | 4.2 (4.0–4.4) | 0.6 (0.5–0.7) | 31.9 (31.4–32.4) |