| Description: | Which eye(s) affected by astigmatism |
| Category: | Eyesight - Health and medical history - Touchscreen - Assessment Centre |
| Participants | 20,865 | Value Type | Categorical (single) | Sexed | Both sexes | Debut | Jan 2012 | |||
| Item count | 23,689 | Item Type | Data | Instances | Defined (4) | Version | Jul 2021 | |||
| Stability | Complete | Strata | Primary | Array | No | Cost Tier | d1 o1 s1 |
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Instance 1 : First repeat assessment visit (2012-13)
2,703 participants, 2,703 items
Instance 2 : Imaging visit (2014+)
6,792 participants, 6,792 items
Instance 3 : First repeat imaging visit (2019+)
587 participants, 587 items
Field 5855 was collected from participants who indicated they wear glasses or contact lenses to correct their astigmatism, as defined by their answers to Field 6147
| Category ID | Description | Items |
|---|---|---|
| 100000 | Assessment Centre | +2145 |
| 100041 | Eyesight | 24 |
| 100036 | Health and medical history | +104 |
| 713 | Health outcomes | 555 |
| 1003 | Self-reported medical conditions | 118 |
| 100025 | Touchscreen | +403 |
| Field ID | Description | Relationship |
|---|---|---|
| 6147 | Reason for glasses/contact lenses | Current Field was collected from participants who indicated they wear glasses or contact lenses to correct their astigmatism, as defined by their answers to Field 6147 |
