Beginning of Essay
Uses for computers as equipment in the treatment of patient disorders quickly sprung up once their speed, functionality and overall flexibility became understood. Complex calculations that had to be checked multiple times in the past for zero-tolerance for error ....

Middle of Essay
.... the wearing of lenses, which corrected sight abnormalities, or even physical surgery with the scalpel which could release the tension on the cornea and allow it to form into it's proper shape. Now, with the help of modern science and computers, it's possible to use lasers in surgical procedures to reshape the lens. The procedure consists of creating a "flap" on the outermost layer of the cornea, and folding it back, allowing the laser to change the refractive index of the old lens by effectively vaporizing the surrounding layers. This technology would definitely not have been possible had it not been for computers. The laser it ....