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To the Editor.
—In not accepting the diagnosis of "posterior traumatic lenticonus" in the October 1969 issue of the ARCHIVES (82:548-549), I would like to recall the following statement published in the British Journal of Ophthalmology, July 1945, pp 370 to 375:If by definition lenticonus posterior is a "congenital transparent, hemispherical prominence circular in outline, super-imposed upon the posterior pole of an otherwise normal lens," then indeed it is difficult to include many cases with structurally abnormal posterior lenticular contour, but if by lenticonus posterior is meant an abnormal lenticular herniation so that there is disturbance in the symmetry of the curvature of the posterior capsule, then it is possible that this condition may result from multiple causes.In order to demonstrate the bulge in the posterior capsule of the lens, it is necessary to bring the light from a wide angle to get a broad "lenticular phantom."
Rosen E. POSTERIOR TRAUMATIC LENTICONUS. Arch Ophthalmol. 1970;83(4):527. doi:10.1001/archopht.1970.00990030527023