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Device Measures for Low-Vision Participants (Means and Standard Deviations).
| # of participants | Acuity | Viewing Distance (cm) | Physical Print Size (mm) | Angular Print Size (degree) | |
|---|---|---|---|---|---|
| Smart phone | 4 | 0.83 (0.52) | 17.15 (12.68) | 5.91 (7.41) | 1.68 (0.96) |
| Tablet | 10 | 0.86 (0.39) | 19.56 (13.01) | 7.57 (4.87) | 3.83 (4.27) |
| Computer | 61 | 0.93 (0.36) | 29.31 (18.85) | 10.10 (8.58) | 3.04 (4.19) |
| Overall | 75 | 0.92 (0.36) | 27.36 (18.22) | 9.54 (8.14) | 3.07 (4.09) |
