Pupil expansion device

Pupil expansion device (physical object)

active

Code	`419294009`
Semantic tag	physical object
Module	international
Definition	primitive
Effective time	20060131

Synonyms

Iris expansion device

Parents (1)

303634002Ophthalmological device physical object

Children (3)

419032003Beehler pupil dilator physical object
418444000Iris retractors physical object
418768007Pupil expansion ring physical object