description: Sight is the ability to observe lit objects, with the goal of orienting yourself on objects and people in a lit environment. This pertains to observing the light stimuli, and not processing them in the brain.\r\nA sight disorder can lead to things including orientation problems. package_name: nictiz.fhir.nl.r4.nl-core derivation: constraint name: NlcoreVisualFunctionVisualAid type: DeviceUseStatement elements: extension: index: 0 slicing: rules: open discriminator: - {path: url, type: value} min: 0 slices: healthProfessional: match: {url: null} schema: index: 1 elements: value: choices: [valueReference] index: 3 valueReference: type: Reference choiceOf: value refers: ['http://nictiz.nl/fhir/StructureDefinition/nl-core-HealthProfessional-PractitionerRole'] index: 4 location: match: {url: null} schema: index: 5 elements: value: choices: [valueReference] index: 7 valueReference: type: Reference choiceOf: value refers: ['http://nictiz.nl/fhir/StructureDefinition/nl-core-HealthcareProvider'] index: 8 subject: type: Reference refers: ['http://hl7.org/fhir/StructureDefinition/Group', 'http://hl7.org/fhir/StructureDefinition/Patient', 'http://nictiz.nl/fhir/StructureDefinition/nl-core-Patient'] index: 9 derivedFrom: type: Reference refers: ['http://nictiz.nl/fhir/StructureDefinition/nl-core-Procedure-event', 'http://nictiz.nl/fhir/StructureDefinition/nl-core-Procedure-request'] index: 10 slicing: slices: procedure: match: {} schema: type: Reference refers: ['http://nictiz.nl/fhir/StructureDefinition/nl-core-Procedure-event', 'http://nictiz.nl/fhir/StructureDefinition/nl-core-Procedure-request'] index: 10 device: type: Reference refers: ['http://hl7.org/fhir/StructureDefinition/Device', 'http://nictiz.nl/fhir/StructureDefinition/nl-core-VisualFunction.VisualAid.Product'] index: 11 reasonReference: type: Reference refers: ['http://nictiz.nl/fhir/StructureDefinition/nl-core-Problem'] index: 12 slicing: slices: indication: match: {} schema: type: Reference refers: ['http://nictiz.nl/fhir/StructureDefinition/nl-core-Problem'] index: 12 zibMedicalDeviceReference: match: {} schema: type: Reference refers: ['http://nictiz.nl/fhir/StructureDefinition/nl-core-FunctionalOrMentalStatus', 'http://nictiz.nl/fhir/StructureDefinition/nl-core-Mobility'] index: 13 visualFunction: match: {} schema: type: Reference refers: ['http://nictiz.nl/fhir/StructureDefinition/nl-core-VisualFunction'] index: 14 bodySite: {type: CodeableConcept, index: 15} package_version: 0.8.0-beta.1 extensions: healthProfessional: url: null index: 1 elements: value: choices: [valueReference] index: 3 valueReference: type: Reference choiceOf: value refers: ['http://nictiz.nl/fhir/StructureDefinition/nl-core-HealthProfessional-PractitionerRole'] index: 4 location: url: null index: 5 elements: value: choices: [valueReference] index: 7 valueReference: type: Reference choiceOf: value refers: ['http://nictiz.nl/fhir/StructureDefinition/nl-core-HealthcareProvider'] index: 8 class: profile kind: resource url: http://nictiz.nl/fhir/StructureDefinition/nl-core-VisualFunction.VisualAid base: http://nictiz.nl/fhir/StructureDefinition/zib-VisualFunction.VisualAid version: null