Health Technician (Ophthalmology) Full Performance Level GS-0640-8 Veterans Health Administration. Ophthalmology Technicians in the Veterans Health Administration (VHA) support Ophthalmologists in diagnosis, treatment, prevention, follow-up care and patient counseling. Basic Requirements: United States Citizenship: Non-citizens may only be appointed when it is not possible to recruit qualified citizens in accordance with VA Policy. English Language Proficiency: Health Technicians (Ophthalmology) must be proficient in spoken and written English as required by 38 U.S.C. 7402(d) and 38 U.S.C. 7407(d) Experience and Education: Experience. One year of experience in a health care field, such as but not limited to nursing, medical assistant, or health technician OR Education. Two years above high