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To the Editor.
—I was interested to read the very helpful article "Finding the Retinal Hole" by Harvey Lincoff, MD, and Richard Gieser, MD, in the Archives (85:565-569, 1971). There are, however, two points which arise from it.The first point concerns the position of a retinal hole in a detachment which involves the whole inferior retina but rises to a higher level on one side. In such a case, the "primary" hole would be on the side where the detachment is highest but could appear to be either within 1½ clock hours of the highest detachment edge, or inferiorly. Help might be given by the observation that if the detachment is bullous, the hole is above the horizontal meridian.The second point is that there appears to have been an error in drawing the diagram, Fig 1, as the hole is on the side where the detachment is lower