Affiliation: | 1. Dermatology and Venereology Department, Faculty of Medicine for Girls, Al-Azhar University, Cairo, Egypt;2. Medical Applications of Laser Department, National Institute of Laser Enhanced Sciences, Cairo University, Cairo, Egypt;3. Ophthalmology Department, Faculty of Medicine, Cairo University, Cairo, Egypt;4. Dermatology and Venereology Department, Air Forces General Hospital, Cairo, Egypt |