A comment on (3): a conveyor belt eye surgery has been tried in the old Soviet Union 30 years ago: http://articles.latimes.com/1985-07-06/news/mn-9473_1_eye-surgery , not sure what came of it. Russian wiki, use Google translate.
A similar approach is in use some places in India: http://en.wikipedia.org/wiki/Narayana_Health
This is not quite what you are advocating, but in a similar vein.
A comment on (3): a conveyor belt eye surgery has been tried in the old Soviet Union 30 years ago: http://articles.latimes.com/1985-07-06/news/mn-9473_1_eye-surgery , not sure what came of it. Russian wiki, use Google translate.
A similar approach is in use some places in India: http://en.wikipedia.org/wiki/Narayana_Health
This is not quite what you are advocating, but in a similar vein.