郑柏文医生于1988年在香港大学获取内外全科医学士学位，并于1994年获取香港医学专科学院眼科专科院士。郑医生现为 香港理工大学眼科视光学院名誉教授，以及 香港中文大学眼科及视觉科学学系名誉助理教授。郑医生亦在香港激光矫视中心及圣保禄医院眼科中心担任 顾问眼科医生。郑医生是香港眼科整形学会创会会长，郑医生亦多次被国内及国际性眼科会议邀请出席分享飞秒激光白内障手术经验。郑医生是香港屈光及激光白内障手术的先驱。

郑医生从一九九八年开始雷射屈光矫视手术,

二零一二年首先进行飞秒激光白内障手术,

二零一四年起开始进行全飞秒雷射矫视手术，并多次获邀到国外出席专题研讨会。

从二零一五开始多次在眼科国际大会举办全飞秒雷射矫视指导课程。

Dr Cheng is Honorary Consultant of the Hong Kong Laser Eye Centre, Honorary Consultant of the Eye Centre of St. Paul’s Hospital, Hong Kong, Honorary Assistant Professor at the Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, School of Optometry, Hong Kong Polytechnic University Adjunct Professor, His qualifications are MBBS (HKU 1988), FCS(HK), FRCS(Edin), FCOphth(HK) and FHKAM(Ophthalmology). Dr. Cheng also is Founding President of The Hong Kong Society Ophthalmic plastic and Reconstructive Surgery. He has practiced ophthalmology since 1991, with a special focus and clinical work on cataract and refractive surgery. He started doing femtosecond laser cataract surgery since 2012.  He has experiences with different types of cataract and refractive surgeries, including PRK, T-PRK, LASIK, SMILE, AK and ICL.  He was invited as invited speaker & live Surgery in many conferences. He is a certified trainer for cataract and laser refractive surgeons and has conducted a number of instruction courses in various national and international meetings including American Academy of Ophthalmology (AAO) and Asia-Pacific Academy of Ophthalmology (APAO). He is also a Consensus Expert Panellists for the China Corneal Refractive Surgery Consensus Panel (2021).