Data
82,781 items of data are available, covering 8,370 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 | 70.25 |
| Decile 9 | 46 |
| Decile 8 | 45.25 |
| Decile 7 | 44.75 |
| Decile 6 | 44.25 |
| Median | 43.75 |
| Decile 4 | 43.5 |
| Decile 3 | 43 |
| Decile 2 | 42.5 |
| Decile 1 | 41.75 |
| Minimum | 30 |
|
|
- Mean = 43.8233
- Std.dev = 1.79804
- 133 items below graph minimum of 37.5
- 192 items above graph maximum of 50.25
|
2 Instances
Instance 2 : Imaging visit (2014+)
3,073 participants, 30,281 items
| Maximum | 70.25 |
| Decile 9 | 46 |
| Decile 8 | 45.25 |
| Decile 7 | 44.75 |
| Decile 6 | 44.25 |
| Median | 43.75 |
| Decile 4 | 43.5 |
| Decile 3 | 43 |
| Decile 2 | 42.5 |
| Decile 1 | 41.75 |
| Minimum | 30.5 |
|
|
- Mean = 43.8326
- Std.dev = 1.78235
- 42 items below graph minimum of 37.5
- 76 items above graph maximum of 50.25
|
Instance 3 : First repeat imaging visit (2019+)
5,297 participants, 52,500 items
| Maximum | 64 |
| Decile 9 | 46 |
| Decile 8 | 45.25 |
| Decile 7 | 44.75 |
| Decile 6 | 44.25 |
| Median | 43.75 |
| Decile 4 | 43.5 |
| Decile 3 | 43 |
| Decile 2 | 42.5 |
| Decile 1 | 41.75 |
| Minimum | 30 |
|
|
- Mean = 43.8179
- Std.dev = 1.807
- 91 items below graph minimum of 37.5
- 116 items above graph maximum of 50.25
|
Notes
Keratometry R2 spherical value (left)
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