Improving the quality of cataract surgery

Quality is a difficult concept to describe and there is no clear definition. People have different views of what quality means and describe it in different ways. Take the example of a trip by taxi. How would you describe the quality of the trip? Do you base your description on the politeness of the driver or the luxury of the vehicle? Or was it that you arrived at your destination safely? If you asked the driver, how would they describe the quality of the same trip? They might describe quality in terms of a trip without breaking down or being held up in traffic. There are clearly several different ways in which quality can be measured or described, and the ones that interest you will depend on who you are. Equally, there are many different ways of describing the quality of cataract surgery (some which will be of more interest to patients and others which will be of interest mainly to surgeons). The quality of cataract surgery can be described in terms of: