Table 3 of Xu, Mol Vis 2011; 17:1537-1552. Table 3 of Xu, Mol Vis 2011; 17:1537-1552.
Table 3. Clinical features of the probands from the four Chinese families with retinitis pigmentosa (RP) or Usher syndrome type II (USH2)
Family number |
Proband |
Best corrected visual acuity (R/L) |
Oneset age of night blindness (year) |
Fundus appearance |
Oneset age of hearing loss (year) |
Hearing impairment |
Cataract |
Visual field |
ERG |
Vestibular function |
|---|---|---|---|---|---|---|---|---|---|---|
| FR1 | 077006 | 0.4/0.4 | 25 | RP | Normal hearing | Normal | Both eyes | N/A | Wave undetectable | Normal |
| F6 | 073001 | 0.5/0.4 | 13 | RP | 5 | Moderate(sp) | No | N/A | N/A | Normal |
| F7 | 019082 | 1.0/1.0 | 17 | RP | 1 | Moderate(sp) | No | 10° | N/A | Normal |
| F8 | 019092 | 0.6/0.6 | 12 | RP | 8 | Moderate(sp) | No | 10–15° | Wave undetectable | Normal |