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.zib2020 derivation: constraint name: ZibVisualFunction abstract: true type: Observation elements: code: pattern: type: CodeableConcept value: coding: - {code: '281004000', system: 'http://snomed.info/sct'} index: 0 value: choices: [] index: 2 slicing: rules: open discriminator: - {path: $this, type: type} min: null slices: valueCodeableConcept: match: {} schema: short: VisualFunction choices: [valueCodeableConcept] index: 4 valueCodeableConcept: short: VisualFunction type: CodeableConcept choiceOf: value index: 5 slicing: slices: valueCodeableConcept: match: {} schema: {short: VisualFunction, type: CodeableConcept, choiceOf: value, index: 5} note: index: 6 elements: text: {short: Comment, index: 7} package_version: 0.3.0-beta1 class: profile kind: resource url: http://nictiz.nl/fhir/StructureDefinition/zib-VisualFunction base: http://hl7.org/fhir/StructureDefinition/Observation version: null