Mission Hill, South Dakota - Demographics. 1  As of the census [3] of 2010, there were 177 people, 69 households, and 51 families residing in the town.
A: Tremendously. In the early days of cataract surgery, the only thing that surgeons could do was remove the cloudy lens. Without a lens inside their eye, patients had to wear very thick âCoke bottleâ glasses to see.The most important change has been the development and improvement of artificial replacement lenses.: Tremendously. In the early days of cataract surgery, the only thing that surgeons could do was remove the cloudy lens. Without a lens inside their eye, patients had to wear very thick âCoke bottleâ glasses to see.
Cataract surgery involves removing the natural lens of the eye and replacing it with an artificial lens (intraocular lens implant or IOL). The plastic artificial lens is permanent, requires no care, and can significantly improve vision.ataract 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.