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 | 64 |
| Decile 9 | 45.5 |
| Decile 8 | 44.75 |
| Decile 7 | 44.25 |
| Decile 6 | 43.75 |
| Median | 43.5 |
| Decile 4 | 43 |
| Decile 3 | 42.5 |
| Decile 2 | 42 |
| Decile 1 | 41.25 |
| Minimum | 29.5 |
|
|
- Mean = 43.3772
- Std.dev = 1.73117
- 128 items below graph minimum of 37
- 154 items above graph maximum of 49.75
|
2 Instances
Instance 2 : Imaging visit (2014+)
3,073 participants, 30,281 items
| Maximum | 64 |
| Decile 9 | 45.5 |
| Decile 8 | 44.75 |
| Decile 7 | 44.25 |
| Decile 6 | 43.75 |
| Median | 43.5 |
| Decile 4 | 43 |
| Decile 3 | 42.5 |
| Decile 2 | 42 |
| Decile 1 | 41.25 |
| Minimum | 30.25 |
|
|
- Mean = 43.3818
- Std.dev = 1.71561
- 41 items below graph minimum of 37
- 75 items above graph maximum of 49.75
|
Instance 3 : First repeat imaging visit (2019+)
5,297 participants, 52,500 items
| Maximum | 60.75 |
| Decile 9 | 45.5 |
| Decile 8 | 44.75 |
| Decile 7 | 44.25 |
| Decile 6 | 43.75 |
| Median | 43.5 |
| Decile 4 | 43 |
| Decile 3 | 42.5 |
| Decile 2 | 42 |
| Decile 1 | 41.25 |
| Minimum | 29.5 |
|
|
- Mean = 43.3745
- Std.dev = 1.74008
- 87 items below graph minimum of 37
- 79 items above graph maximum of 49.75
|
Notes
Keratometry average spherical value (left)
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