Focusing CCD-based telescopes is one of the drudgeries astronomers constantly face. With the recent advent of relatively low cost, motorized position-feedback focusing hardware, comes an opportunity to fully automate the focusing operation. This paper presents a new method and software for automatically focusing CCD based telescope systems. It is highly suitable for unattended all-night robotic...

The Leica motCORR™ objectives provide superior color correction and field flatness based on Leica's plan apochromatic (PL APO) optics for the best imaging results. Their motorized correction collar simplifies the workflow by quickly adjusting the optics to adapt to varying coverglass thickness, changing temperature , and specimen inhomogeneities. › The motorized correction collar improves the p...

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Cardiovascular disease (CVD) is the leading cause of death among international travellers. Practitioner knowledge of the effects of CVD on international travel is imperative in order to promote a healthy travel experience. This review aimed to explore the available literature on this topic. The PubMed database was accessed to source relevant literature using combinations of relevant keywords as...

Introduction: International travels have increased dramatically in recent years. Adolescents constitute a fast-growing group of travelers. Travels provide an opportunity for exposure to high-risk behavior. The current study reviewed the published data about travel-related morbidity among adolescents traveling to international destinations. Methods: PubMed...

Introduction: Travel health practice and research in Egypt lag behind both needs and demands. This study was done in two parts to assess travel health knowledge, attitude, and practice (KAP) among Egyptian travelers. Methods: This survey was conducted at the departure halls of Cairo International Airport and included 1500 travelers to Africa (excluding No...

Distraction osteogenesis has been used for more than 50 years to address limb-length discrepancy and deformity. Intramedullary fixation has been used in conjunction with external fixation to decrease the time in the external fixator and prevent deformity and refracture. A new generation of motorized intramedullary nails is now available to treat limb-length discrepancy and deformity. These nail...

introduction: today the market of medical tourism is growing as one of the competitive and profitable industries in the world. the aim of this study was to determine medical tourist attraction in tehran hospitals. methods: this is a descriptive study which was carried out in 8 hospitals of tehran in 2012. 195 people from the managing boards of these hospitals participated in the study. a questi...