Ahmed H. Assaf is a professor of Ophthalmology in the faculty of medicine, Ain Shams University, a fellow of the royal college of surgeons of Edinburgh and a consultant of phacorefractive surgery in Al-Watany eye hospital in Cairo. Cataract surgery with premium IOLs is his primary focus, together with the implementation of Femtosecond laser technology, which consists of about 30% of his total annual volume of cataract surgery. He awarded the best paper of session about his study of femtosecond laser cataract surgery in different nuclear density during ASCRS 2017. He started to implant presbyopia-correcting IOLs since 2002 and has substantial experience in various designs of multifocal, new trifocal, and extended depth of focus IOLs. He participated in the pre-launch visual outcome study of AcrySof IQ ReSTOR multifocal toric IOL and presented his results during ESCRS annual meeting in Paris, 2010. He has a particular interest in complicated cataract surgery with intra-scleral haptic fixation (ISHF), together with iris repair and different techniques of pupilloplasty.