Data
134,376 items of data are available, covering 12,941 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 | 12.5 |
| Decile 9 | 1.75 |
| Decile 8 | 1.25 |
| Decile 7 | 1 |
| Decile 6 | 0.75 |
| Median | 0.75 |
| Decile 4 | 0.5 |
| Decile 3 | 0.5 |
| Decile 2 | 0.5 |
| Decile 1 | 0.25 |
| Minimum | 0 |
|
|
- Mean = 0.896239
- Std.dev = 0.730539
- 1602 items above graph maximum of 3.25
|
2 Instances
Instance 2 : Imaging visit (2014+)
3,220 participants, 31,732 items
| Maximum | 12.25 |
| Decile 9 | 1.75 |
| Decile 8 | 1.25 |
| Decile 7 | 1 |
| Decile 6 | 0.75 |
| Median | 0.75 |
| Decile 4 | 0.5 |
| Decile 3 | 0.5 |
| Decile 2 | 0.5 |
| Decile 1 | 0.25 |
| Minimum | 0 |
|
|
- Mean = 0.896429
- Std.dev = 0.72188
- 370 items above graph maximum of 3.25
|
Instance 3 : First repeat imaging visit (2019+)
10,397 participants, 102,644 items
| Maximum | 12.5 |
| Decile 9 | 1.75 |
| Decile 8 | 1.25 |
| Decile 7 | 1 |
| Decile 6 | 0.75 |
| Median | 0.75 |
| Decile 4 | 0.5 |
| Decile 3 | 0.5 |
| Decile 2 | 0.5 |
| Decile 1 | 0.25 |
| Minimum | 0 |
|
|
- Mean = 0.89618
- Std.dev = 0.733195
- 1232 items above graph maximum of 3.25
|
Notes
Keratometry spherical value (left)
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