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Cataract surgery is the removal of the natural lens of the eye (also called "crystalline lens") that has developed an opacification, which is referred to as a cataract. Metabolic changes of the crystalline lens fibers over time lead to the development of the cataract and loss of transparency, causing impairment or loss of vision. Many patients' first symptoms are strong glare from lights and small light sources at night, along with reduced acuity at low light levels. During cataract surgery, a patient's cloudy natural lens is removed and replaced with a synthetic lens to restore the lens's transparency. Following surgical removal of the natural lens, an artificial intraocular lens implant is inserted (eye surgeons say that the lens is "implanted"). Cataract surgery is generally performed by an ophthalmologist (eye surgeon) in an ambulatory (rather than inpatient) setting, in a surgical center or hospital, using local anesthesia (either topical, peribulbar, or retrobulbar), usually causing little or no discomfort to the patient. Well over 90% of operations are successful in restoring useful vision, with a low complication rate. Day care, high volume, minimally invasive, small incision phacoemulsification with quick post-op recovery has become the standard of care in cataract surgery all over the world. Antibiotics may be administered pre-operatively, intra-operatively, and/or post-operatively. Frequently a topical corticosteroid is used in combination with topical antibiotics postoperatively. Most cataract operations are performed under a local anaesthetic, allowing the patient to go home the same day. The use of an eye patch may be indicated, usually for about some hours, after which the patient is instructed to start using the eyedrops to control the inflammation and the antibiotics that prevent infection. After the surgery, the patient is instructed to use anti-inflammatory and antibiotic eye drops for up to two weeks (depending on the inflammation status of the eye and some other variables). The eye surgeon will judge, based on each patient's idiosyncrasies, the time length to use the eye drops. The eye will be mostly recovered within a week, and complete recovery should be expected in about a month. The patient should not participate in contact/extreme sports until cleared to do so by the eye surgeon. [READ THE REST OF THIS ARTICLE]

The Gumpert Apollo is a supercar produced by German automaker Gumpert Sportwagenmanufaktur GmbH in Altenburg. In 2001 Roland Gumpert proposed a new generation sports car. One of the first concerns of this car was that it be a street-legal car, ready for the race track. Gumpert returned to Germany at the end of 2001, after more than three years in China. There he was the head of sales and marketing, responsible for the development of the dealer network of the Audi-VW joint enterprise. Just after he returned to Germany, Roland Mayer asked him if he would assist him in building a prototype sports car. Audi approved Gumpert's involvement in this project, on the condition that, if they did eventually develop a new sports car, it would not be a prototype, but a series product. The company, located in Altenburg, Germany, was founded in 2004 under the name GMG Sportwagenmanufaktur Altenburg GmbH. The technical guidelines were defined and the first designs of the car were drawn by Marco Vanetta. Upon Vanetta's completion of this process, the first 1:4 scale model of Gumpert's car was produced in 2002. Gumpert continued with the development of the Apollo, along with the Technical University of Munich and the Ingolstadt University of Applied Sciences. They have assisted with the constructional work, computer simulations, and wind tunnel tests. This research and development helped forming the blueprint for the first 1:1 scale model. Finally, two prototype Apollos were constructed. The production of the Apollo started in October 2005. The Apollo is a 1,100 kg (2,400 lb) to 1,200 kg (2,600 lb), street-legal race car. It is a mid-engined, rear wheel drive two-seater constructed on a tubular chromoly frame, with fiberglass or optional carbon fiber body panels. The manufacturers, Gumpert, claim the design of the Apollo is optimized so that the car could drive upside-down in a tunnel if driven at sufficiently high speeds (over 190 mph), though this remains to be tested. Top Gear presenter Richard Hammond claims that Gumpert have already found a suitable tunnel and have made all the preparations necessary and are simply waiting for a volunteer driver willing enough to do the test. [READ THE REST OF THIS ARTICLE]

The world population is the total population of humans on the planet Earth, currently estimated to be 6.91 billion by the United States Census Bureau. The world population has experienced continuous growth since the end of the Bubonic Plague around the years 1348-1350. The highest rates of growth—increases above 1.8% per year—were seen briefly during the 1950s, for a longer period during the 1960s and 1970s; the growth rate peaked at 2.2% in 1963, and declined to 1.1% by 2009. Annual births have reduced to 140 million since their peak at 173 million in the late 1990s, and are expected to remain constant, while deaths number 57 million per year and are expected to increase to 80 million per year by 2040. Current projections show a continued increase of population (but a steady decline in the population growth rate) with the population expected to reach between 7.5 and 10.5 billion in the year 2050. Regionally, the first region to hit a billion people was the Northern Hemisphere, followed shortly by the Eastern Hemisphere, not too long after the world hit a billion. Next in coming was Asia, then East Asia and South Asia, followed by China in 1980, India in 1999, Western Hemisphere in the 2000's and Africa in 2010. The next billion people milestones expected by demographers are the Americas, with a current population of around 920 million, the Southern Hemisphere and Subsaharan Africa with each around 850 million people. It is not known if the current next contenders, Europe, Southeast Asia, and North America in that order, will ever surpass 1 billion people. As for 2, 3, and 4 billion, only the Northern Hemisphere, Eastern Hemisphere, and Asia have surpassed these figures. Historically, human population control has been implemented by limiting the population's birth rate, by contraception or by government mandate, and has been undertaken as a response to factors including high or increasing levels of poverty, environmental concerns, religious reasons, and overpopulation. [READ THE REST OF THIS ARTICLE]

The Willow Run manufacturing plant, located between Ypsilanti and Belleville, Michigan, was constructed during World War II by Ford Motor Company for the mass production of the B-24 Liberator military aircraft. The site of the plant was a farm owned by Henry Ford. He had used the farm to provide employment for youths during the summer. Ford Motor Company, like virtually all of the United States' industrial companies, directed its manufacturing output during World War II for Allied war production. The Ford Motor Company developed the Willow Run site to include an airfield and aircraft assembly facility. The plant held the distinction at the time of being the world's largest enclosed "room." At its peak, Willow Run produced 650 B-24s per month by 1944. By 1945, Ford produced 70% of the B-24s in two nine hour shifts. Pilots and crews slept on 1,300 cots waiting for the B-24s to roll off the assembly line at Willow Run. Ford produced half of the 18,000 total B-24s at Willow Run. The B-24 holds the distinction of being the most produced heavy bomber in history. An interesting feature of the Willow Run plant was a large turntable two-thirds of the way along the assembly line where the B-24s would make a 90° turn before continuing to final assembly. This arrangement was to avoid having the factory building cross a county line and so be taxed by two counties. The neighboring county's taxes were higher. After the war, ownership of the assembly plant passed to Kaiser Motors and then to Ford rival General Motors, which still owns and operates part of the facility as Willow Run Transmission. Willow Run was used by GM to manufacture a number of historically significant models, including Chevy trucks (1956–58), the Nova and Caprice. It was also used to manufacture parts for the doomed Vega subcompact. However, perhaps the most well-known product assembled at Willow Run was the Chevrolet Corvair compact, the only rear-engine, air-cooled automobile in America since the earliest days of the industry. Most Corvairs were built there from 1960 through 1969. GM's Fisher Body division was also located at the Willow Run site. Fisher built automobile bodies for the Chevrolet models assembled there. In 1968, General Motors reorganized its body assembly divisions into the monolithic GM Assembly Division (GMAD). GMAD absorbed many Fisher body plants, but Willow Run was one of the plants where Fisher continued to build automobile bodies until the 1970s. On June 1, 2009, GM announced it would be closing the plant as part of its bankruptcy proceedings. The plant has given its name to a community on the east side of Ypsilanti, defined roughly by the boundaries of the Willow Run Community Schools district. [READ THE REST OF THIS ARTICLE] is not affiliated with or endorsed by wikipedia. wikipedia and the wikipedia globe are registered trademarks of
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