Aid to vision

Aid to vision (physical object)

active

Code	`257192006`
Semantic tag	physical object
Module	international
Definition	primitive
Effective time	20020131

Parents (2)

334251007Appliance physical object
303634002Ophthalmological device physical object

Children (10)

57368009Contact lenses physical object
50121007Eyeglasses physical object
360294004Headband telescope physical object
360285005Low vision aid physical object
310405008Magnification device physical object
257492003Pinhole physical object
420480000Ptosis crutch physical object
367546000Typoscope physical object
360275009Visual and hearing impairment device physical object
360284009Visual appliance physical object