視光師的主要職責為－ （a）以主觀及客觀技術為學前及學齡兒童測試視力，包括使用診斷藥物； （b）提供視光護理服務，特別是折光矯正(包括處方及驗配隱形鏡)、雙目鏡視力訓練、視力加強訓練，以及弱視護理服務； （c）與其他專業人士合力策劃視光服務及處理視力有問題的病人； （d）參與視光學研究及研製／建立評估方法，推行及參與健康促進活動和健康教育計劃／項目，並就視光和視覺服務進行演講及授課；及 （e）執行相關的行政工作。 [備註：可能須不定時工作。]

An Optometrist is mainly deployed on – (a) evaluating visual functions of preschool and school-age children by subjective and objective techniques, including the use of diagnostic drugs; (b) providing optometric care, especially refractive corrections (including prescription and fitting of contact lenses), binocular training, visual skills enhancement training, and low vision care; (c) working together with other professionals in the planning of optometry service and in handling patients with visual problems; (d) participating in optometric research and development/ setting up of assessment tools, conducting and participating in health promotion activities and health education programmes/ projects, and giving talks and lectures on optometric and visual service; and (e) performing related administrative duties. [Remark: May be required to work irregular hours.]