Table 1. Clinical features of the patients from the Chinese family with Usher syndrome type II.
| Patient number | Age (year) | Best corrected visual activity (R/L) | Fundus appearance | Hearing impairment | ERG | Vestibular function |
|---|---|---|---|---|---|---|
| III:1 |
55 |
FC/FC |
RP |
Mild |
extinct |
normal |
| III:3 |
53 |
FC/HM |
RP |
Mild |
extinct |
normal |
| III:5 |
47 |
FC/FC |
RP |
Mild |
extinct |
normal |
| IV:1 |
25 |
0.15/0.1 |
RP |
Normal |
N/A |
normal |
| IV:2 | 19 | 0.6/0.6 | RP | N/A | N/A | normal |
Abbreviations: R represents right eye; L represents left eye; FC represents finger counting; HM represents hand motion; N/A represents data not available.