Table 1 of Dai, Mol Vis 2008; 14:2067-2075. Table 1 of Dai, Mol Vis 2008; 14:2067-2075.
Table 1. Clinical features of the patients from the three Chinese families with Usher syndrome type II.
| Family number |
Patient | Best corrected visual acuity (R/L) |
Onset age of night blindness (year) |
Fundus appearance |
Onset age of hearing loss (year) |
Hearing impairment |
ERG | Vestibular function |
|---|---|---|---|---|---|---|---|---|
| F3 | 73021 | FC/PL | 14 | RP | 10 | Moderate (SP) | Wave undetectable | Normal |
| F4 | 73034 | 0.3/0.2 | 15 | RP | congenital | Moderate (SP) | N/A | Normal |
| 73036 | FC/ PL | 14 | RP | congenital | Severe (SP) | Wave undetectable | Normal | |
| F5 | 73041 | HM/HM | 14 | RP | congenital | Severe (SP) | Wave undetectable | Normal |
| 73045 | HM/HM | 10 | RP | congenital | Severe (SP) | N/A | Normal | |
| 73046 | 0.1/0.1 | 14 | RP | congenital | Moderate (SP) | N/A | Normal |