Assessment of Preoperative Risk Factors for Post-LASIK Ectasia Development [Response to Letter]

Mohamed Tarek El-Naggar,1 Rania Serag Elkitkat,2-5 Hossam El-din Ziada,6 Louise Pellegrino Gomes Esporcatte,7-9 Renato Ambrósio Jr7-11 1Refractive Surgery Unit, Ophthalmology Department, Research Institute of Ophthalmology, Giza, Egypt; 2Ophthalmology Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt; 3Watany Eye Hospital, Cairo, Egypt; 4Watany Research and Development Center, Cairo, Egypt; 5Ophthalmology Department, Modern University for Technology and Information, Cairo, Egypt; 6Cornea and Refractive Surgery Unit, Ophthalmology Department, Faculty of Medicine, AL-Azhar University, Cairo, Egypt; 7Rio de Janeiro Corneal Tomography and Biomechanics Study Group, Rio de Janeiro, Brazil; 8Instituto de Olhos Renato Ambrósio, Rio de Janeiro, Brazil; 9Department of Ophthalmology, Federal University of São Paulo, São Paulo, Brazil; 10Brazilian Study Group of Artificial Intelligence and Corneal Analysis - BrAIN, Rio de Janeiro& Maceió, Brazil; 11Department of Ophthalmology, Federal University of the State of Rio de Janeiro (UNIRIO), Rio de Janeiro, BrazilCorrespondence: Mohamed Tarek El-Naggar, Email drtarekelnaggar@hotmail.com