BACKGROUND Liver ultrasound images are so common and are applied so often to diagnose diffuse liver diseases like fatty liver. However, the low quality of such images makes it difficult to analyze them and diagnose diseases. The purpose of this study, therefore, is to improve the contrast and quality of liver ultrasound images. METHODS In this study, a number of image contrast enhancement alg...

An enormous technological improvement in Ultrasonography devices has occurred during last decade, providing excellent soft-tissue contrast and high spatial resolution images. Nowadays, musculoskeletal ultrasonography is going to be a stethoscope in the hand of orthopedic surgeons for the diagnosis of many musculoskeletal pathologies, as well as an accurate guide for therapeutic interventions. T...

purpose: to determine the effect of photorefractive keratectomy (prk) on improvement of involuntary eye movements and visual functions in myopic patients with congenital nystagmus. methods: this prospective interventional case series included patients with congenital nystagmus and myopia ≥ -1 d who underwent prk over a 2-year period. complete ophthalmological examinations including visual acuit...