Table 2:
Visual Function
| Author, Year | 1 Year | 3 Years | 5 Years |
|---|---|---|---|
| Object Localizationa | |||
| Ho et al, 201524 | 93.8% (P < .05) | 89.3% (P < .05) | — |
| da Cruz et al, 201619 | — | — | 80.9% (P < .05) |
| Direction of Motionb | |||
| Ho et al, 201524 | 62.5% (P < .05) | 55.6% (P < .05) | — |
| da Cruz et al, 201619 | — | — | 50.0% (P < .05) |
| Grating Visual Acuityc | |||
| Ho et al, 201524 | 48.2% (P < .05) | 33.3% (P < .05) | — |
| da Cruz et al, 201619 | — | — | 38.1% (P < .05) |
a
Patients to locate and touch a white square in random locations on a black monitor. Response error was measured by the distance (in cm) between the patient's touch and the square centre.
b
Patients to draw the path of a white line moving across a black monitor. Response error was measured by the difference (in degrees) between the response angle and the target bar angle.
c
Patients to differentiate the orientation of black and white bars with different widths. Results indicated the percentage of patients who scored between 2.9 and 1.6 logMAR with the system on.