Path | Short | Definition | Comments |
---|---|---|---|
Prescription for vision correction products for a patient | An authorization for the provision of glasses and/or contact lenses to a patient. | ||
identifier | Business Identifier for vision prescription | A unique identifier assigned to this vision prescription. | |
status | active | cancelled | draft | entered-in-error | The status of the resource instance. | This element is labeled as a modifier because the status contains codes that mark the resource as not currently valid. |
created | Response creation date | The date this resource was created. | |
patient | Who prescription is for | A resource reference to the person to whom the vision prescription applies. | |
encounter | Created during encounter / admission / stay | A reference to a resource that identifies the particular occurrence of contact between patient and health care provider during which the prescription was issued. | |
dateWritten | When prescription was authorized | The date (and perhaps time) when the prescription was written. | Jurisdictions determine the valid lifetime of a prescription. Typically vision prescriptions are valid for two years from the date written. |
prescriber | Who authorized the vision prescription | The healthcare professional responsible for authorizing the prescription. | |
lensSpecification | Vision lens authorization | Contain the details of the individual lens specifications and serves as the authorization for the fullfillment by certified professionals. | |
lensSpecification.id | Unique id for inter-element referencing | Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces. | |
lensSpecification.extension | Additional content defined by implementations | May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. | There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone. |
lensSpecification.modifierExtension | Extensions that cannot be ignored even if unrecognized | May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions. Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself). | There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone. |
lensSpecification.product | Product to be supplied | Identifies the type of vision correction product which is required for the patient. | |
lensSpecification.eye | right | left | The eye for which the lens specification applies. | May also appear as OD (oculus dexter) for the right eye and OS (oculus siniter) for the left eye. |
lensSpecification.sphere | Power of the lens | Lens power measured in dioptres (0.25 units). | The value is negative for near-sighted and positive for far sighted. Often insurance will not cover a lens with power between +75 and -75. |
lensSpecification.cylinder | Lens power for astigmatism | Power adjustment for astigmatism measured in dioptres (0.25 units). | |
lensSpecification.axis | Lens meridian which contain no power for astigmatism | Adjustment for astigmatism measured in integer degrees. | The limits are +180 and -180 degrees. |
lensSpecification.prism | Eye alignment compensation | Allows for adjustment on two axis. | |
lensSpecification.prism.id | Unique id for inter-element referencing | Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces. | |
lensSpecification.prism.extension | Additional content defined by implementations | May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. | There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone. |
lensSpecification.prism.modifierExtension | Extensions that cannot be ignored even if unrecognized | May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions. Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself). | There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone. |
lensSpecification.prism.amount | Amount of adjustment | Amount of prism to compensate for eye alignment in fractional units. | |
lensSpecification.prism.base | up | down | in | out | The relative base, or reference lens edge, for the prism. | |
lensSpecification.add | Added power for multifocal levels | Power adjustment for multifocal lenses measured in dioptres (0.25 units). | |
lensSpecification.power | Contact lens power | Contact lens power measured in dioptres (0.25 units). | |
lensSpecification.backCurve | Contact lens back curvature | Back curvature measured in millimetres. | |
lensSpecification.diameter | Contact lens diameter | Contact lens diameter measured in millimetres. | |
lensSpecification.duration | Lens wear duration | The recommended maximum wear period for the lens. | |
lensSpecification.color | Color required | Special color or pattern. | |
lensSpecification.brand | Brand required | Brand recommendations or restrictions. | |
lensSpecification.note | Notes for coatings | Notes for special requirements such as coatings and lens materials. |
The VisionPrescription resource is intended to support the information requirements for a prescription for glasses and contact lenses for a patient. Corrective optical lenses are considered a controlled substance and therefore a prescription is typically required for the provision of patient-specific lenses.
Vision prescriptions may only be issued by providers who have optical diagnosis within their scope of practice, typically ophthalmologists and optometrists. The prescription is a time-limited, typically two years, authorization for the provision of an unlimited number of lenses, glasses or contacts, which conform to the authorized specification by providers which have lens provision within their scope of practice, typically ophthalmologists , optometrists and opticians.
Health insurers typically require a copy of the prescription to ensure that a vision professional has examined the patient and that the power of the lenses exceeds some minimum, such as +- 0.75 diopters, to qualify for reimbursement under the insurance coverage.
The VisionPrescription resource is an "request" resource from a FHIR workflow perspective - see Workflow Request.
Additional information regarding resources conveying electronic claims content and usage may be found at:
The VisionPrescription resource is used to provide the authorized specification of lenses for glasses and contacts which have well known and internationally consistent requirements, which is distinct from other types of health care authorizations detailed below.
The health care domain includes a number of related resourcesVisionPrescription | The VisionPrescription resource is used to provide the authorized specification of lenses for glasses and contacts. |
DeviceRequest | This resource is used to prescribe, authorize, and request provision of a health care device such as a halter monitor or a wheelchair services. |
MedicationRequest | This resource is used to prescribe, authorize, and request provision of medications such a pharmaceuticals and vaccines. |
ServiceRequest | This resource is used to prescribe, authorize, and request provision of health care services such as consultative or rehabilitative services. |
datewritten | Return prescriptions written on this date | VisionPrescription.dateWritten |
prescriber | Who authorized the vision prescription | VisionPrescription.prescriber |
status | The status of the vision prescription | VisionPrescription.status |