Description: | Refractometry method (left) |
Category: | Assessment centre ⏵ Eye measures ⏵ Refractometry ⏵ Refractometer 1 |
Physical measures |
Participants | 132,039 | Value Type | Categorical (single) | Sexed | Both sexes | Debut | Jan 2012 | |||
Item count | 136,205 | Item Type | Data | Instances | Defined (2) | Version | Jan 2012 | |||
Stability | Complete | Strata | Primary | Array | No | Cost Tier | 1 |