status: Final
code: Refraction measurement
subject: Alex Example (no stated gender), DoB: 1970-01-01 ( https://fhir.cognovis.de/praxis/NamingSystem/pvs-patient-nummer#PvsPatientNummer#annex2b-patient-1)
effective: 2026-07-23 08:30:00+0200
performer: Practitioner Maria Sample
value: Right eye sphere -1.25 diopter
