Purpose: To evaluate and modify the Randleman Ectasia Risk Score System for predicting post-laser in situ keratomileusis (LASIK) ectasia in patients with normal preoperative corneal topography.Methods: In this retrospective study we reviewed data from 136 eyes which had undergone LASIK including 34 ectatic and 102 normal eyes between 1999 and 2009.
High quality standards in vegetables is one of the most important expectation of consumers presence of weeds would also reduce the quantity and quality of crops produced.Use of cover crops could be an environmentally friendly alternative to conventional chemical and mechanical methods.To this end for controlling weeds, a factorial experiment based
Abstract Scattering amplitudes in quantum field theories have intricate analytic properties as functions of the energies and momenta of the scattered particles.In perturbation theory, their singularities are governed by a set of nonlinear polynomial equations, known as Landau equations, for each individual Feynman diagram.The singularity locus of t
Cosmetics are defined as particular components designed to be applied to the surface of the human body.Cosmetics are beauty products women use to beautify or change their appearance.It is usually used to beautify the outside of the human body to get an attractive appearance.Even though they are not a basic need, cosmetics are one of the many produc