In order to improve efficiency, and ensure continuity and coordination with local health care operations, the health authorities on the offshore islands first did preliminary screenings of candidate cases for surgery and ophthalmology. The main factors weighed in screening were poverty and suitability for surgery at the clinic site.
為了提高效率、不破壞當地醫療體系，外科與眼科的病患，由各離島衛生單位先進行報名與篩選工作，貧困者與是否適合在義診場地內手術，是事前篩選的主要考量因素。