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Presenting symptoms, signs, and visual acuity
| Symptoms | Patients | ||
| No | % | BCVA* (mean (SE)) | |
| None | 80 | 29.0 | 0.30 (0.1) |
| Tearing, photophobia | 67 | 24.3 | 0.20 (0.2) |
| Red eye | 44 | 15.9 | 0.80 (0.2) |
| Drop of vision | 33 | 12.0 | 0.40 (0.3) |
| “Funny behaviour” | 26 | 9.4 | 0.60 (0.4) |
| Strabismus | 15 | 5.4 | 0.10 (0.1) |
| Leukocorea | 11 | 4.0 | 0.05 (0.0) |
*BCVA, best corrected visual acuity of affected eyes.
