Data
82,639 items of data are available, covering 8,366 participants.
Defined-instances run from 2 to 3, labelled using Instancing
2.
Array indices run from 1 to 10.
Units of measurement are dioptre.
| Maximum | 11.75 |
| Decile 9 | 1.75 |
| Decile 8 | 1.25 |
| Decile 7 | 1 |
| Decile 6 | 1 |
| Median | 0.75 |
| Decile 4 | 0.75 |
| Decile 3 | 0.5 |
| Decile 2 | 0.5 |
| Decile 1 | 0.25 |
| Minimum | 0 |
|
|
- Mean = 0.912387
- Std.dev = 0.74143
- 989 items above graph maximum of 3.25
|
2 Instances
Instance 2 : Imaging visit (2014+)
3,063 participants, 30,101 items
| Maximum | 11.75 |
| Decile 9 | 1.75 |
| Decile 8 | 1.25 |
| Decile 7 | 1 |
| Decile 6 | 1 |
| Median | 0.75 |
| Decile 4 | 0.5 |
| Decile 3 | 0.5 |
| Decile 2 | 0.5 |
| Decile 1 | 0.25 |
| Minimum | 0 |
|
|
- Mean = 0.904571
- Std.dev = 0.732129
- 363 items above graph maximum of 3.25
|
Instance 3 : First repeat imaging visit (2019+)
5,303 participants, 52,538 items
| Maximum | 11.5 |
| Decile 9 | 1.75 |
| Decile 8 | 1.25 |
| Decile 7 | 1 |
| Decile 6 | 1 |
| Median | 0.75 |
| Decile 4 | 0.75 |
| Decile 3 | 0.5 |
| Decile 2 | 0.5 |
| Decile 1 | 0.25 |
| Minimum | 0 |
|
|
- Mean = 0.916865
- Std.dev = 0.746671
- 626 items above graph maximum of 3.25
|
Notes
Keratometry spherical value (right)
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