Data-Field 5193
Description:Duration at which refractometer first shown (left)
Category:Assessment centreEye measuresRefractometryRefractometer 1
Physical measures

Participants132,039 Value TypeInteger, seconds SexedBoth sexes DebutJan 2012
Item count136,205Item TypeDataInstancesDefined (2)VersionJan 2012
StabilityCompleteStrataAuxiliaryArrayNoCost Tier1