|
Mean scores (95% CI) by visual acuity (better eye), binocular status, and by between eye differences in visual acuity |
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| Exposure |
Number (%) |
General vision |
Near activities |
Total VFQ score |
|
|
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| Visual acuity (better eye) |
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| 6/9 or better |
877 (50) |
79.7 (78.8, 80.5) |
99.4 (99.2, 99.5) |
94.7 (94.3, 95.1) |
| <6/9 to 6/12 |
387 (22) |
75.0 (73.6, 76.4) |
98.6 (98.1, 98.9) |
92.8 (92.0, 93.4) |
| <6/12 to 6/18 |
277 (16) |
72.1 (70.3, 73.8) |
97.2 (96.1, 98.0) |
91.2 (90.1, 92.2) |
| <6/18 |
203 (12) |
60.4 (57.7, 63.0) |
88.1 (82.5, 92.0) |
83.1 (80.5, 85.3) |
| P-value † |
1744 |
<0.001 |
<0.001 |
<0.001 |
| Binocular status |
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| Binocular |
1561 (90) |
76.7 (76.0, 77.3) |
98.9 (98.7, 99.0) |
93.6 (93.3, 93.9) |
| Monocular ‡ |
183 (10) |
64.7 (62.0, 67.3) |
94.7 (92.0, 96.5) |
83.1 (80.4, 85.5) |
| P-value |
1744 |
<0.001 |
<0.001 |
<0.001 |
| Difference in acuity between eyes |
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| Equal acuity |
185 (12) |
80.2 (78.4, 81.9) |
99.4 (99.1, 99.6) |
95.4 (94.6, 96.0) |
| ≤ 0.1 LogMAR |
657 (42) |
77.9 (76.9, 78.9) |
99.2 (99.0, 99.3) |
94.5 (94.0, 94.9) |
| >0.1 LogMAR |
719 (46) |
75.4 (74.4, 76.4) |
98.4 (98.1, 98.7) |
92.6 (92.0, 93.1) |
| P-value † |
<0.001 |
<0.001 |
<0.001 |
|
|
Scores by levels of visual acuity, binocular status, and differences in acuity between eyes adjusted for age, gender, practice, and for other exposures listed in the table throughout ‡ 183 participants could not read the chart at 1 metre in one eye | ||||
Owen et al. BMC Ophthalmology 2006 6:24 doi:10.1186/1471-2415-6-24 |
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