The present importance of the treatment of detachment of the retina is of the utmost interest to all oculists. The most pronounced skeptics who doubted the results mentioned five years ago, when cures were cited in an average of 25 per cent of the cases, will probably still doubt when they hear it said today that cures are obtained in more than 50 per cent of the cases ; but they cannot fail to recognize that enormous strides have been made in the treatment of this grave condition and that further advances will be instituted in it. The oculists who accepted the facts demonstrated five years ago and followed the technics recognized as best have been confronted with a series of new operative methods which, changing almost every year, have confused them as to the course to be followed, obliging