This code system http://hl7.org/fhir/vision-eye-codes defines the following codes:

Code Display Definition
right Right Eye Right Eye.
left Left Eye Left Eye.
<status value="draft"/><experimental value="false"/><date value="2021-01-05T10:01:24+11:00"/><publisher value="HL7 (FHIR Project)"/><contact><telecom><system value="url"/><value value="http://hl7.org/fhir"/></telecom><telecom><system value="email"/><value value="fhir@lists.hl7.org"/></telecom></contact><description value="A coded concept listing the eye codes."/><caseSensitive value="true"/><valueSet value="http://hl7.org/fhir/ValueSet/vision-eye-codes"/><content value="complete"/><concept><code value="right"/><display value="Right Eye"/><definition value="Right Eye."/></concept><concept><code value="left"/><display value="Left Eye"/><definition value="Left Eye."/></concept></CodeSystem>