Abstract Background To evaluate the potential risk factor of visual-threatening posterior capsule opacification (PCO) via the analysis of National Health Insurance Research Database in Taiwan.Patients and methods A total of 8571 patients (3767 male and 4804 female) were recruited in the study group and 17,142 patients (7534 male and 9608 female) in
The contamination of soil and water with petroleum and its products occurs due to accidental spills during exploitation, transport, processing, storing and use.In order to control the environmental risks caused by petroleum products a variety of techniques based on physical, chemical and biological methods have been used.Biological methods are cons
Objectives To assess the evidence for anti-racist interventions which aim to reduce ethnic disparities in healthcare, with a focus on implementation in the UK healthcare system.Design Umbrella review.Data sources Embase, Medline, Social Policy and Practice, Social Care Online and Web of Science were searched for publications from the year 2000 up t
In recent years, applications such Accessory as marine search and rescue, border patrol, etc.require electro-optical equipment to have both high resolution and precise geographic positioning abilities.The step and stare working based on a composite control system is a preferred solution.This paper proposed a step and stare system composed of two si