Table 2 of Ostergaard, Mol Vis 2011; 17:1485-1492. Table 2 of Ostergaard, Mol Vis 2011; 17:1485-1492.
Table 2. Clinical findings in six homozygous and one heterozygous individuals carrying the Faroese MERK founder mutation.
ID |
Age of onset |
Age at first/last exam |
Visual acuity at first exam |
Visual acuity at last exam |
Refraction right |
Refraction left |
Full-field ERG (ffERG) |
Perimetry (age) |
Dark adaptation |
|---|---|---|---|---|---|---|---|---|---|
| 186 | 9 | 16/32 | 6/12 6/12 | 1/60 1/60 | +2.50–1.50x10° | +2.50–0.50x170° | Flat | TV 2–3° (32) | No rod activity |
| 232 | 8 | 9/35 | 6/7.5 6/9 | 6/60 0.5/60 | −4.50–3.00x0° | −4.50–3.00x0° | Flat | Paracentral islands (35) | No rod activity |
| 113 | 6 | 24/32 | 6/36 6/24 | HM 0.5/24 | Emmetropia | Emmetropia | N.d. | TV 1–2° | N.d. |
| 106 | 5 | 6/30 | 6/6 6/9 | 1/69 1/60 | +0.50 | 0.00–1.25x160° | Sub normal | TV 3–5° | N.d. |
| 102 | 10 | 24/27 | 2/60 3/60 | 1/60 1/60 | Emmetropia | Emmetropia | N.d. | TV 5° plus peripheral islands | N.d. |
| 249* | 8 | 6/35 | 6/6 6/6 | 6/12 6/18 | −6.00–0.50x90° | −6.50 | Reduced‡ | 20–50° | Diphasic. Threshold elevation 1 log unit |