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: ZibVisualFunctionVisualAid abstract: true type: DeviceUseStatement elements: device: type: Reference refers: ['http://hl7.org/fhir/StructureDefinition/Device', 'http://nictiz.nl/fhir/StructureDefinition/zib-VisualFunction.VisualAid.Product'] index: 0 reasonReference: index: 1 slicing: slices: zibMedicalDeviceReference: match: {} schema: {index: 1} max: 0 visualFunction: match: {} schema: short: VisualFunction refers: ['http://nictiz.nl/fhir/StructureDefinition/zib-VisualFunction'] type: Reference index: 2 package_version: 0.3.0-beta1 class: profile kind: resource url: http://nictiz.nl/fhir/StructureDefinition/zib-VisualFunction.VisualAid base: http://nictiz.nl/fhir/StructureDefinition/zib-MedicalDevice version: null