---
type: "resource-definitions"
title: "VisionPrescription Definitions"
resource: "VisionPrescription"
---

# VisionPrescription Definitions

<a id="VisionPrescription"></a>

## VisionPrescription
Prescription for vision correction products for a patient

**Definition:** An authorization for the provision of glasses and/or contact lenses to a patient.

**Cardinality:** 0..*

**Mappings:** workflow=Request; rim=CombinedVisionRequest; w5=clinical.careprovision


<a id="VisionPrescription.identifier"></a>

## VisionPrescription.identifier
Business Identifier for vision prescription

**Definition:** A unique identifier assigned to this vision prescription.

**Requirements:** Allows vision prescriptions to be distinguished and referenced.

**Cardinality:** 0..*

**Type:** [Identifier](/Identifier)

**Mappings:** workflow=Request.identifier; w5=FiveWs.identifier; v2=ORC-2-Placer Order Number / ORC-3-Filler Order Number; rim=id


<a id="VisionPrescription.basedOn"></a>

## VisionPrescription.basedOn
What prescription fulfills

**Definition:** Plan/proposal/order/request fulfilled by this prescription.

**Cardinality:** 0..*

**Type:** Reference([CarePlan](/CarePlan), [RequestOrchestration](/RequestOrchestration), [NutritionOrder](/NutritionOrder), [ServiceRequest](/ServiceRequest))

**Summary:** true

**Mappings:** workflow=Request.basedOn; rim=.outboundRelationship[typeCode=FLFS].target


<a id="VisionPrescription.groupIdentifier"></a>

## VisionPrescription.groupIdentifier
Composite request identifier

**Definition:** A shared identifier common to all Vision Prescriptions that were authorized more or less simultaneously by a single author, representing the composite or group identifier.

**Cardinality:** 0..1

**Type:** [Identifier](/Identifier)

**Summary:** true

**Mappings:** workflow=Request.groupIdentifier


<a id="VisionPrescription.status"></a>

## VisionPrescription.status
active | cancelled | draft | entered-in-error

**Definition:** The status of the resource instance.

**Comments:** This element is labeled as a modifier because the status contains codes that mark the resource as not currently valid.

**Requirements:** Need to track the status of the resource as 'draft' resources may undergo further edits while 'active' resources are immutable and may only have their status changed to 'cancelled'.

**Cardinality:** 1..1

**Type:** [code](/code)

**Binding:** required:[fm-status](/valueset-fm-status)

**Summary:** true

**Is Modifier:** true (Reason: This element is labelled as a modifier because it is a status element that contains status entered-in-error which means that the resource should not be treated as valid)

**Mappings:** workflow=Request.status; w5=FiveWs.status; rim=Act.status


<a id="VisionPrescription.priority"></a>

## VisionPrescription.priority
routine | urgent | asap | stat

**Definition:** Indicates how quickly the vision prescription should be addressed with respect to other requests.

**Meaning if Missing:** If missing, this request should be performed with normal priority.

**Cardinality:** 0..1

**Type:** [code](/code)

**Binding:** required:[request-priority](/valueset-request-priority)

**Summary:** true

**Mappings:** workflow=Request.priority; w5=FiveWs.grade


<a id="VisionPrescription.created"></a>

## VisionPrescription.created
Response creation date

**Definition:** The date this resource was created.

**Requirements:** Need to record a timestamp for use by both the recipient and the issuer.

**Cardinality:** 1..1

**Type:** [dateTime](/dateTime)

**Summary:** true


<a id="VisionPrescription.patient"></a>

## VisionPrescription.patient
Who prescription is for

**Definition:** A resource reference to the person to whom the vision prescription applies.

**Requirements:** Needed to identify the patient for whom the vision prescription has been issued.

**Cardinality:** 1..1

**Type:** Reference([Patient](/Patient))

**Summary:** true

**Mappings:** workflow=Request.subject; w5=FiveWs.subject; v2=PID-3-Patient ID List; rim=subject.role


<a id="VisionPrescription.encounter"></a>

## VisionPrescription.encounter
Created during encounter / admission / stay

**Definition:** A reference to a resource that identifies the particular occurrence of contact between patient and health care provider during which the prescription was issued.

**Requirements:** Used in some jurisdictions to link clinical events to claim items.

**Cardinality:** 0..1

**Type:** Reference([Encounter](/Encounter))

**Mappings:** workflow=Request.encounter; w5=FiveWs.context; v2=PV1-19-Visit Number; rim=componentOf.patientEncounter


<a id="VisionPrescription.dateWritten"></a>

## VisionPrescription.dateWritten
When prescription was authorized

**Definition:** The date (and perhaps time) when the prescription was written.

**Comments:** Jurisdictions determine the valid lifetime of a prescription. Typically vision prescriptions are valid for two years from the date written.

**Requirements:** Need to record a timestamp for use by both the recipient and the issuer.

**Cardinality:** 1..1

**Type:** [dateTime](/dateTime)

**Summary:** true

**Mappings:** workflow=Request.authoredOn; w5=FiveWs.recorded; v2=RXE-32-Original Order Date/Time / ORC-9-Date/Time of Transaction; rim=author.time


<a id="VisionPrescription.prescriber"></a>

## VisionPrescription.prescriber
Who authorized the vision prescription

**Definition:** The healthcare professional responsible for authorizing the prescription.

**Requirements:** Need to record the authorizing practitioner.

**Cardinality:** 1..1

**Type:** Reference([Practitioner](/Practitioner), [PractitionerRole](/PractitionerRole))

**Summary:** true

**Mappings:** workflow=Request.requester; w5=FiveWs.author; v2=RXE-13-Ordering Provider's DEA Number / RXO-14-Ordering Provider's DEA Number / RXE-14-Pharmacist/Treatment Supplier's Verifier ID / RXO-15-Pharmacist/Treatment Supplier's Verifier ID / ORC-12-Ordering Provider / PRT-5-Participation Person: PRT-4-Participation='OP' (all but last deprecated); rim=author.role


<a id="VisionPrescription.lensSpecification"></a>

## VisionPrescription.lensSpecification
Vision lens authorization

**Definition:** Contain the details of  the individual lens specifications and serves as the authorization for the fullfillment by certified professionals.

**Cardinality:** 1..*

**Type:** [BackboneElement](/BackboneElement)

**Summary:** true

**Mappings:** rim=component.supplyEvent


<a id="VisionPrescription.lensSpecification.product"></a>

## VisionPrescription.lensSpecification.product
Product to be supplied

**Definition:** Identifies the type of vision correction product which is required for the patient.

**Requirements:** Need to identify whether glasses or contacts.

**Cardinality:** 1..1

**Type:** [CodeableConcept](/CodeableConcept)

**Binding:** example:[vision-product](/valueset-vision-product)

**Summary:** true

**Mappings:** v2=RXE-2-Give Code / RXO-1-Requested Give Code / RXD-2-Dispense/Give Code; rim=consumable.role


<a id="VisionPrescription.lensSpecification.eye"></a>

## VisionPrescription.lensSpecification.eye
right | left

**Definition:** The eye for which the lens specification applies.

**Comments:** May also appear on the paper claim form or in the Medical Records as as OD (oculus dexter) for the right eye and OS (oculus sinister) for the left eye.

**Requirements:** Needed to identify which eye the lens specification applies to.

**Cardinality:** 1..1

**Type:** [code](/code)

**Binding:** required:[vision-eye-codes](/valueset-vision-eye-codes)

**Summary:** true

**Mappings:** rim=n/a


<a id="VisionPrescription.lensSpecification.sphere"></a>

## VisionPrescription.lensSpecification.sphere
Power of the lens

**Definition:** Lens power measured in dioptres (0.25 units).

**Comments:** 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.

**Requirements:** Standard lens prescription measures.

**Cardinality:** 0..1

**Type:** [decimal](/decimal)

**Mappings:** rim=n/a


<a id="VisionPrescription.lensSpecification.cylinder"></a>

## VisionPrescription.lensSpecification.cylinder
Lens power for astigmatism

**Definition:** Power adjustment for astigmatism measured in dioptres (0.25 units).

**Requirements:** Standard lens prescription measures.

**Cardinality:** 0..1

**Type:** [decimal](/decimal)

**Mappings:** rim=n/a


<a id="VisionPrescription.lensSpecification.axis"></a>

## VisionPrescription.lensSpecification.axis
Lens meridian which contain no power for astigmatism

**Definition:** Adjustment for astigmatism measured in integer degrees.

**Comments:** The limits are +180 and -180 degrees.

**Requirements:** Standard lens prescription measures.

**Cardinality:** 0..1

**Type:** [integer](/integer)

**Mappings:** rim=n/a


<a id="VisionPrescription.lensSpecification.prism"></a>

## VisionPrescription.lensSpecification.prism
Eye alignment compensation

**Definition:** Allows for adjustment on two axis.

**Requirements:** Standard lens prescription measures.

**Cardinality:** 0..*

**Type:** [BackboneElement](/BackboneElement)


<a id="VisionPrescription.lensSpecification.prism.amount"></a>

## VisionPrescription.lensSpecification.prism.amount
Amount of adjustment

**Definition:** Amount of prism to compensate for eye alignment in fractional units.

**Requirements:** Standard lens prescription measures.

**Cardinality:** 1..1

**Type:** [decimal](/decimal)

**Mappings:** rim=n/a


<a id="VisionPrescription.lensSpecification.prism.base"></a>

## VisionPrescription.lensSpecification.prism.base
up | down | in | out

**Definition:** The relative base, or reference lens edge, for the prism.

**Requirements:** Standard lens prescription measures.

**Cardinality:** 1..1

**Type:** [code](/code)

**Binding:** required:[vision-base-codes](/valueset-vision-base-codes)

**Mappings:** rim=n/a


<a id="VisionPrescription.lensSpecification.add"></a>

## VisionPrescription.lensSpecification.add
Added power for multifocal levels

**Definition:** Power adjustment for multifocal lenses measured in dioptres (0.25 units).

**Requirements:** Standard lens prescription measures.

**Cardinality:** 0..1

**Type:** [decimal](/decimal)

**Mappings:** rim=n/a


<a id="VisionPrescription.lensSpecification.power"></a>

## VisionPrescription.lensSpecification.power
Contact lens power

**Definition:** Contact lens power measured in dioptres (0.25 units).

**Requirements:** Standard contact lens prescription measures.

**Cardinality:** 0..1

**Type:** [decimal](/decimal)

**Mappings:** rim=n/a


<a id="VisionPrescription.lensSpecification.backCurve"></a>

## VisionPrescription.lensSpecification.backCurve
Contact lens back curvature

**Definition:** Back curvature measured in millimetres.

**Requirements:** Standard contact lens prescription measures.

**Cardinality:** 0..1

**Type:** [decimal](/decimal)

**Mappings:** rim=n/a


<a id="VisionPrescription.lensSpecification.diameter"></a>

## VisionPrescription.lensSpecification.diameter
Contact lens diameter

**Definition:** Contact lens diameter measured in millimetres.

**Requirements:** Standard contact lens prescription measures.

**Cardinality:** 0..1

**Type:** [decimal](/decimal)

**Mappings:** rim=n/a


<a id="VisionPrescription.lensSpecification.duration"></a>

## VisionPrescription.lensSpecification.duration
Lens wear duration

**Definition:** The recommended maximum wear period for the lens.

**Requirements:** Standard contact lens prescription measures.

**Cardinality:** 0..1

**Type:** [Quantity](/Quantity)([SimpleQuantity](/SimpleQuantity))

**Mappings:** rim=n/a


<a id="VisionPrescription.lensSpecification.color"></a>

## VisionPrescription.lensSpecification.color
Color required

**Definition:** Special color or pattern.

**Requirements:** Standard contact lens prescription measures.

**Cardinality:** 0..1

**Type:** [string](/string)

**Mappings:** rim=n/a


<a id="VisionPrescription.lensSpecification.brand"></a>

## VisionPrescription.lensSpecification.brand
Brand required

**Definition:** Brand recommendations or restrictions.

**Requirements:** Standard lens prescription measures.

**Cardinality:** 0..1

**Type:** [string](/string)

**Mappings:** rim=n/a


<a id="VisionPrescription.lensSpecification.note"></a>

## VisionPrescription.lensSpecification.note
Notes for coatings

**Definition:** Notes for special requirements such as coatings and lens materials.

**Requirements:** Standard lens prescription measures.

**Cardinality:** 0..*

**Type:** [Annotation](/Annotation)

**Mappings:** rim=n/a