(a) Visual symptom
| Parameters | Photophobia (-) | Photophobia (+) | P value∗ | Blurring (-) | Blurring (+) | P value∗ |
|---|---|---|---|---|---|---|
| No. of subjects (%) | 318 | 68 | 303 | 73 | ||
| Age (years) | 57.3 ± 14.7 | 56.0 ± 14.4 | 0.509 | 56.5 ± 15.2 | 59.8 ± 12.3 | 0.053 |
| % of men | 54.4 | 47.5 | 0.314 | 51.2 | 63.0 | 0.066 |
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| Schirmer test (% ≤ 5 mm) | 20.0 | 16.7 | 0.912 | 18.8 | 16.7 | 0.912 |
| MBI (% ≤ 9 s) | 7.5 | 13.6 | 0.128 | 9.6 | 6.8 | 0.418 |
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| Macular GCC (μm), mean | 101.6 ± 13.4 | 100.6 ± 14.1 | 0.622 | 101.7 ± 12.8 | 99.9 ± 14.8 | 0.323 |
| FRTWM (μm) | 266.0 ± 25.6 | 266.2 ± 25.5 | 0.980 | 265.7 ± 26.4 | 267.0 ± 22.0 | 0.842 |