Minimum Qualifications for the GS-0662-13: Your resume must demonstrate at least one (1) year of specialized experience equivalent to at least the next lower grade level in the Federal service obtained in either the private or public sector performing the following type of work and/or tasks: Examples include providing technical guidance to optometry staff; reviewing and/or revising policies and procedures; assisting with quality assurance activities; diagnosing, managing, and treating conditions and diseases of the human eye and visual system such as examining eyes, diagnosing problems or impairments, prescribing corrective lenses, and prescribing therapeutic drugs to treat specific eye conditions; and operating optometric diagnostic and treatment instruments and equipment. Refer to BIA-4432 link: Verification of Indian Preference for Employment in the BIA and IHS When an Indian Preference candidate possesses Veterans preference the rules regarding Veterans preference apply under ESEP and the applicant must provide documentation in order to receive preference.