Table 3. Significant associations between optometric findings and ETCD use.
| Optometric findings | Number of ETCD user,n (%) | p | |
|---|---|---|---|
| Univariate analysis | Multivariable analysis* | ||
| Symptoms | <0.0001 | 0.0006 | |
| Asymptomatic | 3 (5) | ||
| Mildly symptomatic | 1 (2) | ||
| Severely symptomatic | 19 (26) | ||
| Blurred vision | 0.0035 | 0.0029 | |
| No | 8 (6) | ||
| Yes | 15 (20) | ||
| Burning eye sensation | <0.0001 | 0.0005 | |
| No | 4 (3) | ||
| Yes | 19 (26) | ||
| Eye strain | <0.0001 | <0.0001 | |
| No | 6 (4) | ||
| Yes | 17 (33) | ||
| Watering eyes | <0.0001 | 0.0005 | |
| No | |||
| Yes | 12 (27) | ||
| Photophobia | <0.0001 | 0.0021 | |
| No | 1 (6) | ||
| Yes | 13 (32) | ||
Data are n (%) values.
*p value adjusted for sex, disease progression rate, disease duration, and diagnostic delay.
ETCD: eye-tracking communication device.