photorefractive keratectomy is a preprogrammed surface corneal refractive ablation which is aimed to reduce or eliminate myopia, hyperopia or astigmatism through the removal of the corneal surface epithelium and basement membrane and the application of excimer laser photoablation to bowman membrane and anterior stroma. the epithelium then begins to cover the wound, in direct contact with the an...

background: in recent years, the high likelihood of the implantation of transferred embryos has led to an increase in the number of multiple pregnancies and consequently an increased risk of complications in fetuses and mothers. since the aim of infertility treatment is the birth of a healthy child while preserving the mother’s health, therefore, attempts should be made to avoid multiple pregna...

conclusions with respect to the findings of the study, this method of treatment is recommended due to being cost efficient, easy, applicable, and flexible for alleviating the effect of fatigue on the personal, psychological, and social aspects of life quality in patients on hemodialysis. results the mean of the fatigue score within the research units was 42.37. overall, 42.2% and 56.1% of the p...

aims: the effect of electrochemical process on polyphosphate alone has not been yet investigated. the aim of this study was to study polyphosphate removal from synthetic wastewater by electrochemical process.  materials & methods: this research was carried out experimentally on 50 samples of synthetic wastewater. in each run 2000ml of sw took place in a batch. a constant 600ma direct current wa...

results analyzing of collected data resulted in the wrapping up the hepatitis virus detection methods in separate sections including 1) immunological methods such as enzyme immunoassay (eia), radio-immunoassay (ria) immuno-chromatographic assay (ica), and immuno-chemiluminescence 2) molecular approaches including non-amplification and amplification based methods, and finally 3) advanced biosens...

introduction: in open reduction and internal fixation for the treatment of mandibular fracture, the fixation technique used is very important in reducing post-operative complications and promoting the healing process. this study assessed the results of fixation of the mandible using two mini-plates perpendicular to each other in the lower border of the mandible for fracture treatment.    materi...

lamellar keratoplasty (lk) has been a well established technique of corneal transplantation. recent improvements in surgical instruments have revolutionized the procedure introducing a new technique employing deeper corneal dissection. this review article describes the indications, techniques, outcomes and complications of deep anterior lk.