Department of Ophthalmology Sao Joao Hospital Porto 4200-319.PortugalDepartment of Surgery and Physiology Faculty of Medicine University of Porto Porto 4200-319 Portugal;
Department of Ophthalmology Sao Joao Hospital Porto 4200-319.Portugal;
Faculty of Medicine University of Porto Porto 4200-319 Portugal;
Department of Ophthalmology Sao Joao Hospital Porto 4200-319.Portugal;
Department of Ophthalmology Sao Joao Hospital Porto 4200-319.PortugalDepartment of Surgery and Physiology Faculty of Medicine University of Porto Porto 4200-319 Portugal;
Department of Ophthalmology Sao Joao Hospital Porto 4200-319.Portugal;
Department of Ophthalmology Sao Joao Hospital Porto 4200-319.PortugalDepartment of Surgery and Physiology Faculty of Medicine University of Porto Porto 4200-319 Portugal;
Department of Ophthalmology Sao Joao Hospital Porto 4200-319.PortugalDepartment of Surgery and Physiology Faculty of Medicine University of Porto Porto 4200-319 Portugal;
keratometry; diabetes mellitus; astigmatism; cataract; diabetic retinopathy;