Dr Jeffrey Leung is currently a Research Assistant Professor at the School of Optometry, The Hong Kong Polytechnic University (PolyU), teaching Clinical Binocular Vision and Ophthalmic Optics and Dispensing. He received his Bachelor’s degree in Optometry and PhD degree from PolyU in 2008 and 2014, respectively. After obtaining his PhD degree, he joined the School as an optometrist in the Optometry Clinic to conduct clinical research and provide clinical services to the public. He was also a team member of two specialty groups focusing on high myopia and pediatric eye care. In addition to teaching and clinical service, he has served as a technical expert for the Hong Kong Accreditation Service of Innovation and Technology Commission to provide consultancy advice for ophthalmic laboratory testing.