A DEVICE FOR THE ACCURATE LOCALIZATION OF HOLES IN RETINAL DETACHMENTS
R F Moore · British Journal of Ophthalmology · 1931
HERE is no divergence of view as to the need of localizing accurately the hole or holes in a retinal detachment as a preliminary to the cautery puncture operation, and a number of means have been put forward to this end.The present device is not intended to be used in the place of such calculations, but as an adjunct to them.It consists of a gold stud which is inserted through the sclera at the spot which has been calculated, by whatever means, to correspond with the position of the retinal hole.The end of the stud is then identified by means of the ophthalmoscope, and the exact relationship of the retinal hole to it is seen, and the actual site for the cautery puncture is adjusted in the light of the information so obtained.The studs are made of gold, with a flat circular or oval base, and a stem of varying length; a small hole is made in the base, through which silk is threaded, otherwise the stud is likely to be lost.I have had some made with circular and some with oval bases; the idea of the latter was to indicate readily the position of the flattening of the apex of the stem, as explained later; this can also be indicated by the position of the hole in the base.I believe the circular base is the better.The base is 5 mm.across if circular, and 6 by 4 mm.if oval.The stem is of four lengths, 2, 4, 6, and 8 mm.; it is circular in section at its upper copyright.