---
type: "search-params"
title: "VisionPrescription Search Parameters"
resource: "VisionPrescription"
---
# VisionPrescription Search Parameters

<a id="datewritten"></a>

## datewritten
**Description:** Return prescriptions written on this date

**Type:** date

**Expression:** VisionPrescription.dateWritten

**Path:** VisionPrescription.dateWritten

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/VisionPrescription-datewritten


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

## encounter
**Description:** Return prescriptions with this encounter identifier

**Type:** reference

**Expression:** VisionPrescription.encounter

**Path:** VisionPrescription.encounter

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/VisionPrescription-encounter


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

## identifier
**Description:** Return prescriptions with this external identifier

**Type:** token

**Expression:** VisionPrescription.identifier

**Path:** VisionPrescription.identifier

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/VisionPrescription-identifier


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

## patient
**Description:** The identity of a patient to list dispenses for

**Type:** reference

**Expression:** VisionPrescription.patient

**Path:** VisionPrescription.patient

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/VisionPrescription-patient


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

## prescriber
**Description:** Who authorized the vision prescription

**Type:** reference

**Expression:** VisionPrescription.prescriber

**Path:** VisionPrescription.prescriber

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/VisionPrescription-prescriber


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

## status
**Description:** The status of the vision prescription

**Type:** token

**Expression:** VisionPrescription.status

**Path:** VisionPrescription.status

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/VisionPrescription-status


<a id="product"></a>

## product
**Description:** The type of product being prescribed

**Type:** token

**Expression:** VisionPrescription.lensSpecification.product

**Path:** VisionPrescription.lensSpecification.product

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/VisionPrescription-product