Well, considering my recent dealing with doctors and surgeons on this very subject of retina surgery...yes. I had torn retinas and the surgeon (who was very intelligent, and super nice) said that he is nothing more than a 'mechanic' since all they can really do at this stage is to 'tack' the torn parts of the retina back onto the back of the eye like a 'welder'. Their words, not mine. Surgeons generally defer to research scientist and engineers to carry out the research and cutting edge techniques, they practice those techniques on patients. Not belittling their work, but its research that comes up with this kind of stuff, not practicing doctors and surgeons.