Correlation between keratometric and refractive astigmatism in pseudophakic eyes PURPOSE: To determine the correlation between keratometric and refractive astigmatism in pseudophakic eyes. SETTING: Sohag university hospital, Department of Ophthalmology, Egypt. DESIGN: Case series. METHODS: Consecutive eyes that had phacoemulsification with intraocular lens implantation during the period between June 2011 and June 2013 were evaluated. The refractive and keratometric astigmatism were ... Read more

Abstract Genetic selection of maize hybrids is related to using high nitrogen levels, which require to a stronger N input to accomplish their yield potential. This study aimed to investigate the response of some maize hybrids to five nitrogen fertilizer levels (0, 75, 100, 125, 150 kg N fed-1) at the Experimental and Research Center, Moshtohor Faculty of Agriculture, Benha ... Read more