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.
IOLs â Intraocular Lenses. Today, IOLs are used widely in cataract surgery, but prior to 1945, cataract patients were left aphakic (a state in which the human eye has no lens inside it, mostly due to surgical removal). Patients had to wear very heavy eye glasses in order to see again.