Cataract surgery is a procedure used to remove the natural lens in the eye when it becomes clouded, and replace it with an artificial lens in order to restore clear vision.Cataract surgery is indicated when the cataract impairs vision to the extent that it interferes with normal daily activities.Cataract extraction is one of the most frequently performed surgical procedures in the world. A cataract is a cloudy or opaque area in the normally clear lens of the eye.ataract surgery is indicated when the cataract impairs vision to the extent that it interferes with normal daily activities. Cataract extraction is one of the most frequently performed surgical procedures in the world. A cataract is a cloudy or opaque area in the normally clear lens of the eye.
Quick Answer. Central Park in New York City is comprised of 843 acres. It is 2 1/2 miles long and 1/2 mile wide. Central Park initially consisted of 778 acres when it was first opened in 1857. Central Park lies within the Manhattan borough of New York City.
In 2013, the City of New York awarded a new, 10-year management agreement to the Central Park Conservancy. Originally signed in 1998, and renewed in 2006, the 2013 agreement affirmed the City's confidence in its more than 35-year partnership with the Central Park Conservancy in jointly managing Central Park.