Table 3.
Prevalence of Spherical Equivalent Refractive Error in the Eye with Greater Refractive Error among African Americans and Whites
| Age (mo), n= (AA, W) |
Myopic SE, n (%) | Emmetropic SE, n (%) |
Hyperopic SE, n (%) | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| −4 D or less |
−3 D or less | −2 D or less | −1 D or less |
> −1 D to < +1 D |
+1 D or greater |
+2 D or greater |
+3 D or greater |
+4 D or greater |
+5 D or greater |
|||||||||||
| AA | W | AA | W | AA | W | AA | W | AA | W | AA | W | AA | W | AA | W | AA | W | AA | W | |
| 6–11 (83, 84) | 2 (2.4) | 0 (0.0) | 3 (3.6) | 0 (0.0) | 5 (6.0) | 0 (0.0) | 8 (9.6) | 0 (0.0) | 29 (34.9) | 16 (19.1) | 46 (55.4) | 68 (81.0) | 20 (24.1) | 43 (51.2) | 4 (4.8) | 20 (23.8) | 1 1.2) | 6 (7.1) | 0 (0.0) | 3 (3.6) |
| 12–23 (181, 175) | 1 (0.5) | 0 (0.0) | 1 (0.5) | 0 (0.0) | 4 (2.1) | 1 (0.6) | 14 (7.5) | 4 (2.3) | 75 (39.7) | 35 (20.2) | 100 (53.2) | 134 (77.5) | 40 (21.2) | 57 (33.0) | 14 (7.4) | 21 (12.1) | 4 (2.1) | 10 (5.8) | 1 (0.5) | 2 (1.2) |
| 24–35 (248, 189) | 1 (0.4) | 0 (0.0) | 2 (0.8) | 0 (0.0) | 8 (3.2) | 0 (0.0) | 26 (10.5) | 2 (1.1) | 111 (44.8) | 47 (25.4) | 111 (44.8) | 136 (73.5) | 39 (15.7) | 56 (30.3) | 13 (6.3) | 24 (13.0) | 3 (1.2) | 10 (5.4) | 2 (0.8) | 5 (2.7) |
| 36–47 (240, 210) | 0 (0.0) | 0 (0.0) | 1 (0.4) | 0 (0.0) | 6 (2.5) | 0 (0.0) | 14 (5.9) | 0 (0.0) | 133 (55.7) | 73 (34.9) | 92 (38.5) | 136 (65.1) | 37 (15.5) | 54 (25.8) | 15 (6.3) | 20 (9.6) | 3 (1.3) | 6 (2.9) | 2 (0.8) | 3 (1.4) |
| 48–59 (261, 201) | 1 (0.4) | 0 (0.0) | 3 (1.2) | 0 (0.0) | 5 (1.9) | 0 (0.0) | 16 (6.2) | 3 (1.5) | 129 (49.6) | 50 (25.0) | 115 (44.2) | 147 (73.5) | 42 (16.2) | 55 (27.5) | 22 (8.5) | 28 (14.0) | 9 (3.5) | 12 (6.0) | 4 (1.5) | 7 (3.5) |
| 60–72 (245, 171) | 2 (0.8) | 1 (0.6) | 2 (0.8) | 1 (0.6) | 4 (1.6) | 1 (0.6) | 16 (6.6) | 2 (1.2) | 117 (48.0) | 36 (31.1) | 111 (45.5) | 133 (77.8) | 42917.2) | 57 (33.3) | 19 (7.8) | 22 (12.9) | 5 (2.1) | 9 (5.3) | 4 (1.6) | 5 (2.9) |
| TOTAL (1268, 1030)* | 7 (0.6) | 1 (0.1) | 12 (1.0) | 1 (0.1) | 32 (2.5) | 2 (0.2) | 94 (7.4) | 11 (1.1) | 594 (47.0) | 257 (25.1) | 575 (45.5) | 754 (73.8) | 220 (17.4) | 322 (31.5) | 87 (6.9) | 135 (13.2) | 25 (2.0) | 53 (5.2) | 13 (1.0) | 25 (2.4) |
AA – African American
W - White
SE – spherical equivalent
D - Diopters
*
5 African Americans missing sphere and cylinder measures in both eyes (2 in age group 12–23, 1 in age group 36–47, 1 in age group 48–59 and 1 in age group 60–71)
*
8 Whites missing sphere and cylinder measures in the right eye and 9 are missing these in the left eye (1 in age group 6–11 missing left eye only, 2 in age group 12–23, 4 in age group 24–35, 1 in age group 36–47, 1 in age group 48–59 missing both eyes)
*
17 children (3 White, 14 African American) with spherical equivalent of equal but opposite magnitude. All were within the emmetropic range.