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.
Modern extracapsular cataract extraction surgery involves removal of the lens fibers, which form the nucleus and cortex of the cataract, leaving the posterior epithelial capsule to hold the new artificial intraocular lens (IOL) and keep the vitreous humor away from the anterior chamber.odern extracapsular cataract extraction surgery involves removal of the lens fibers, which form the nucleus and cortex of the cataract, leaving the posterior epithelial capsule to hold the new artificial intraocular lens (IOL) and keep the vitreous humor away from the anterior chamber.