| Methods |
Within-subject study (2 low-vision aids tested on the same participant); order of presentation randomised (coin toss, as notified by the authors) |
| Participants |
13 low-vision persons participated in the study. Their ages ranged from 57 - 82 years, average 70 years. Their best corrected visual acuity ranged from 0.01 - 0.3, average 0.04. They were asked to read characters with these 2 devices for 20 seconds text of decreasing print size |
| Interventions |
A hand-held retinal projection system was compared with a face-mounted video display using a CCTV system |
| Outcomes |
Reading speed, critical print size |
| Notes |
Article in Japanese; authors have been contacted to collect data |
