Refraction

Refraction (observable entity)

active

Code	`251794006`
Semantic tag	observable entity
Module	international
Definition	primitive
Effective time	20020131

Synonyms

Refraction measurement

Parents (1)

415823006Vision observable observable entity

Children (4)

251802005Intermediate distance observable entity
251801003Reading distance observable entity
251718005Refractive power observable entity
415813002Vertex distance observable entity