Sherif Mohammed Raafat Ahmed creator Ahmed Medhat Abdelsalaam Supervisor Amr Abdelraheem Supervisor text theses ua Cairo Sherif Mohammed Raafat Ahmed 2021 monographic eng

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100 P . : charts , facsmilies , photographas ; 25cm Keratoconus is a serious medical and communal dispute that perturbs the character of life. Evolved to be the first indication of penetrating keratoplasty in young people, which has many drawbacks as rejection. Intracorneal ring segments help to minimize keratoplasty. Aim of study: to compare Ferrara versus MYO rings in treating keratoconus using Femtosecond laser-assisted technique. Patients and Methods: fifty eyes of keratoconus, divided into, group (I): 29 eyes underwent Ferrara Ring implantation and group (II): 21 eyes underwent Myo Ring implantation for correction of keratoconus and high myopia Results: Statistical analysis revealed, there was statistically significant improvement in group B (MYO ring group) in comparison to group A (Ferrara ring group) with UnAided Visual Acuity (UAVA) after implantation by 1 month (p = 0.027), also there was statistically significant increase in group B in comparison to group A with subjective refraction after 3 months (p = 0.035), there was statistically significant decrease in keratometry readings in MYO group in comparison to Ferrara group with 1 month (p = 0.011) and after 6 months (p = 0.011). Conclusions: Ferrara and MYO Intracorneal rings are considered very effective treatments in the management of keratoconic patients, with superiority for MYO ring in unaided visual acuity and keratometry modification specialized Sherif Mohammed Raafat Ahmed ; Supervised Ahmed Medhat Abdelsalaam , Amr Abdelraheem Thesis (Ph.D.) - Cairo University - National Institute of Laser Enhanced Sciences - Department of Laser application inmedical and biological Issued also as CD myo http://172.23.153.220/th.pdf http://172.23.153.220/th.pdf EG-GiCUC 220704 20250223032931.0 eng