Screening and Diagnosis: They perform orthoptic evaluations to assess visual acuity, visual field, intraocular pressure, and binocular vision.
Rehabilitation: They treat conditions such as strabismus, amblyopia (lazy eye), visual fatigue (asthenopia), and double vision (diplopia).
Technical examinations: They assist the ophthalmologist by performing additional tests (retinal scans, visual fields, OCT).
Prescriptions: In France, they are now authorized to conduct initial eye exams and prescribe or renew glasses and contact lenses under certain conditions.