Dr. Marco Kong is an experienced registered optometrist (Part I) and also a Ph.D. basic scientist. He graduated with a BSc (1st Hons) in Optometry at the Hong Kong Polytechnic University (HK PolyU) and was the recipient of the HK Optometric Association Prize for his outstanding clinical placement performance. He later obtained his Ph.D. in vision science, focusing on the research of a blindness-causing disease called glaucoma (青光眼). He received his postdoctoral training on the pathophysiology of eye diseases such as dry eye syndrome (乾眼症), cataract (白內障), glaucoma, and regenerative medicine at the Icahn School of Medicine at Mount Sinai, New York, and was later appointed a research assistant professor at the University of Hong Kong. He enjoyed both research and teaching, enthusiastically sharing his ideas, passion, and experience in science and clinical practice with both medical and optometry students. He is also thrilled to promote popular science. For that, he has been serving as an invited specialist columnist for the renowned parenthood website: Ohpama (Oh!爸媽) and the Headline Daily (頭條日報). Last year, he was also interviewed by viuTV, sharing his professional knowledge about the elderly eye health in the TV program “Staying Healthy(養生銀髮宅)”.