Data
6,152 items of data are available, covering 6,152 participants.
Defined-instances run from 2 to 3, labelled using Instancing
2.
Units of measurement are dioptre.
| Maximum | 13 |
| Decile 9 | 3.25 |
| Decile 8 | 2.25 |
| Decile 7 | 1.75 |
| Decile 6 | 1.25 |
| Median | 1 |
| Decile 4 | 0.5 |
| Decile 3 | 0 |
| Decile 2 | -0.75 |
| Decile 1 | -2 |
| Minimum | -14.25 |
|
|
- Mean = 0.747684
- Std.dev = 2.44787
- 51 items below graph minimum of -7.25
- 15 items above graph maximum of 8.5
|
2 Instances
Instance 2 : Imaging visit (2014+)
2,889 participants, 2,889 items
| Maximum | 10 |
| Decile 9 | 3.25 |
| Decile 8 | 2.25 |
| Decile 7 | 1.75 |
| Decile 6 | 1.25 |
| Median | 1 |
| Decile 4 | 0.5 |
| Decile 3 | 0.125 |
| Decile 2 | -0.5 |
| Decile 1 | -2 |
| Minimum | -14.25 |
|
|
- Mean = 0.800017
- Std.dev = 2.42502
- 22 items below graph minimum of -7.25
- 6 items above graph maximum of 8.5
|
Instance 3 : First repeat imaging visit (2019+)
3,263 participants, 3,263 items
| Maximum | 13 |
| Decile 9 | 3.25 |
| Decile 8 | 2.25 |
| Decile 7 | 1.75 |
| Decile 6 | 1.25 |
| Median | 1 |
| Decile 4 | 0.5 |
| Decile 3 | 0 |
| Decile 2 | -0.75 |
| Decile 1 | -2.25 |
| Minimum | -12.75 |
|
|
- Mean = 0.701348
- Std.dev = 2.467
- 21 items below graph minimum of -7.75
- 7 items above graph maximum of 8.75
|
Notes
Left eye prescription is defined here as Median spherical equivalent value (left) + 0.75
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