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.
How many acres are in a section of land? In the United States and Canada, a section in land measure is 1  square mile, equal to 640 acres, or about 259  hectares or 2.59 square kilometers in Metric measures.   â¦  See related link.ith 268,820 square miles of area and 640 acres per square mile the actual acerage is 172,044,800 acres.