Ophthalmology Technicians in the Veterans Health Administration (VHA) perform functions such as technical clinical care to patients who have received care provided by Ophthalmologists for diagnosis, treatment, prevention, follow-up care and patient counseling. Basic Requirements: United States Citizenship: You must be a U.S. Citizen to apply for this job. Certification for GS-8 level: Must be certified as a Certified Ophthalmic Assistant (COA) with the Joint Commission on Allied Health Personnel in Ophthalmology (JCAHPO). The COA certification is JCAHPO's entry-level certification examination for a Health Technician (Ophthalmology). Basic experience and education requirements: (1) Experience. One year of experience in a health care field, such as but not limited to nursing, medical assista