Relation between distance and angle of visual field
| Size of screen (cm) | Distance (cm) | Angle of visual field (°) |
|---|---|---|
| 75 | 429 | 10 |
| 75 | 213 | 20 |
| 75 | 140 | 30 |
| 75 | 103 | 40 |
| 75 | 80 | 50 |
| 75 | 65 | 60 |
Relation between distance and angle of visual field
| Size of screen (cm) | Distance (cm) | Angle of visual field (°) |
|---|---|---|
| 75 | 429 | 10 |
| 75 | 213 | 20 |
| 75 | 140 | 30 |
| 75 | 103 | 40 |
| 75 | 80 | 50 |
| 75 | 65 | 60 |
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