Table 2.
Baseline characteristics of the patients.
| Symptom/Objective | P1 (4y) | P2 (3y) | P3 (5y) | P4 (6y) |
|---|---|---|---|---|
| Lack of eye contact | at birth | at birth | at birth | no |
| Nystagmus (Time of appearance) |
few days postnatal | 6 months postnatal | 6 weeks postnatal | not observed |
| Inability of orientation in dim light * | 6 months | from birth | from birth | from birth |
| Discomfort in the dark * | ||||
| OD | 1.0 1.3 - |
Fix | 1.2 | 0.5 |
| BCVA OS | Fix | 1.2 | 0.7 | |
| (LogMAR) OU | 1.1 ** | - | - | |
| Refractive error OD OS |
+4.00/−0.25/165 +4.00/−0.50/30 |
+1.00/−1.50/145° +1.00/−1.50/145° |
+4.50/−0.50/180° +4.50/−0.50/5° |
+2.25/−1.00/170° +2.25/−1.00/170° |
* observed by parents in daily routine; ** baseline near visual acuity assessment was possible only binocularly; upon occlusion of either eye fixation with the partner eye was observed.