Dr. Sungjin Na, Chief Director of First Samsung Eye Center, was invited as a speaker at the 2026 OPHTEC Symposium, where he delivered a presentation to fellow ophthalmologists on 'Complex Cataract Surgery and Intraocular Lens (IOL) Exchange Using Precizon Lenses.'

During the symposium, Dr. Na presented a total of 10 major clinical cases covering the application of patient-customized Precizon lenses, highly challenging IOL exchanges and reoperations, and scleral fixation. Going beyond simple cataract surgery, he shared in-depth reoperation solutions designed for patients experiencing poor visual satisfaction.