Data from 45 patients included in the longitudinal analysis
| Age (years) | *Visual acuity | |||||
|---|---|---|---|---|---|---|
| Patients | Initial visit | Most recent visit | Number of years of follow up | Better seeing eye at initial visit | Same eye at most recent visit | ‡5 year rate of VA change |
| *LogMAR equivalent of Snellen VA; †a logMAR Snellen equivalent of 0.00 = 20/20; ‡a change of 0.1 logMAR equivalent = 1 line (Lighthouse chart, 2nd ed).7 | ||||||
| 1 | 6.7 | 11.5 | 4.8 | 0.10 | 0.00† | −0.10 |
| 2 | 7.7 | 16.6 | 8.9 | 0.00 | 0.18 | 0.10 |
| 3 | 9.7 | 28.1 | 18.3 | 0.00 | 0.00 | 0.00 |
| 4 | 10.3 | 17.2 | 6.9 | 0.10 | 0.70 | 0.44 |
| 5 | 10.5 | 30.2 | 19.8 | 0.00 | 0.18 | 0.05 |
| 6 | 11.0 | 23.2 | 12.2 | 0.00 | 0.00 | 0.00 |
| 7 | 13.4 | 19.8 | 6.4 | 0.00 | 0.00 | 0.00 |
| 8 | 14.8 | 27.6 | 12.9 | 0.10 | 0.10 | 0.00 |
| 9 | 14.9 | 33.0 | 18.1 | 0.00 | 0.00 | 0.00 |
| 10 | 16.4 | 33.4 | 17.0 | 0.00 | 0.00 | 0.00 |
| 11 | 17.4 | 23.1 | 5.7 | −0.10 | −0.10 | 0.00 |
| 12 | 20.4 | 34.2 | 13.8 | 0.10 | 0.30 | 0.07 |
| 13 | 22.0 | 40.0 | 18.0 | 0.00 | 0.30 | 0.08 |
| 14 | 23.0 | 28.0 | 5.0 | 0.00 | 0.00 | 0.00 |
| 15 | 23.5 | 39.4 | 16.0 | 0.00 | 0.18 | 0.06 |
| 16 | 24.8 | 35.1 | 10.4 | 0.18 | 0.18 | 0.00 |
| 17 | 25.6 | 37.8 | 12.2 | 0.00 | 0.30 | 0.12 |
| 18 | 27.2 | 48.3 | 21.1 | 0.18 | 0.60 | 0.10 |
| 19 | 29.5 | 44.8 | 15.2 | 0.18 | 0.48 | 0.10 |
| 20 | 29.7 | 44.3 | 14.6 | 0.00 | 0.10 | 0.03 |
| 21 | 29.7 | 41.3 | 11.7 | 0.18 | 0.48 | 0.13 |
| 22 | 30.4 | 35.0 | 4.6 | 0.00 | 0.30 | 0.33 |
| 23 | 31.2 | 41.3 | 10.0 | 0.18 | 1.00 | 0.41 |
| 24 | 31.3 | 42.9 | 11.5 | 0.10 | 0.40 | 0.13 |
| 25 | 31.5 | 46.7 | 15.2 | 0.00 | 0.10 | 0.03 |
| 26 | 34.9 | 48.2 | 13.3 | 0.00 | 0.00 | 0.00 |
| 27 | 34.9 | 51.1 | 16.2 | 0.10 | 0.40 | 0.09 |
| 28 | 37.7 | 44.2 | 6.5 | 0.00 | 0.10 | 0.08 |
| 29 | 38.8 | 57.4 | 18.6 | 0.10 | 0.40 | 0.08 |
| 30 | 39.3 | 46.4 | 7.4 | 0.00 | 0.00 | 0.00 |
| 31 | 39.5 | 63.8 | 24.2 | 0.18 | 0.40 | 0.05 |
| 32 | 42.0 | 48.9 | 6.9 | 0.00 | 0.18 | 0.13 |
| 33 | 42.8 | 54.1 | 11.3 | 0.00 | 0.10 | 0.04 |
| 34 | 42.8 | 57.4 | 14.6 | 0.10 | 0.30 | 0.07 |
| 35 | 44.0 | 64.7 | 20.7 | 0.00 | 0.40 | 0.10 |
| 36 | 45.0 | 53.6 | 8.6 | 0.48 | 0.40 | −0.05 |
| 37 | 47.0 | 53.9 | 6.9 | 0.00 | −0.10 | −0.07 |
| 38 | 47.4 | 53.1 | 5.8 | 0.10 | 0.18 | 0.07 |
| 39 | 48.3 | 57.4 | 9.1 | 0.00 | 0.00 | 0.00 |
| 40 | 51.1 | 67.3 | 16.1 | 0.10 | 0.18 | 0.03 |
| 41 | 51.4 | 56.7 | 5.3 | 0.30 | 0.40 | 0.10 |
| 42 | 51.6 | 66.5 | 14.9 | 0.00 | 2.70 | 0.91 |
| 43 | 52.9 | 72.7 | 19.8 | 0.70 | 1.00 | 0.08 |
| 44 | 58.0 | 66.5 | 8.4 | 0.18 | 0.48 | 0.18 |
| 45 | 66.9 | 75.0 | 8.1 | 0.10 | 0.22 | 0.07 |









