optical processes
type: Concept
narrower: optical rotation
narrower: ocular refraction
broader: physical processes
broader: optical phenomena

optical rotation
type: Concept
broader: optical processes

ocular refraction
type: Concept
broader: optical processes

physical processes
type: Concept
narrower: optical processes

optical phenomena
type: Concept
narrower: optical processes

concepts
type: Collection
type: ConceptGroup
member: optical processes