To the Editor.
—Since the late 1960s, gravity inversion has been widely used as a means of spinal traction to relieve interspinal disk pressure. Gravity inversion is typically achieved by means of devices that suspend a person by the feet or ankles in a vertical head-down position, usually for a recommended period of three to 20 minutes. The case presented herein represents a previously unpublished, possible ocular complication to inversion therapy in an otherwise healthy, young adult.
Report of a Case.
—A 35-year-old male business executive (weight, 68 kg) presented with a one-week history of central blurring of vision in his dominant right eye following an exercise session that ended with hanging head-down by means of inversion boots for ten minutes. The patient was an avid aerobic exerciser who typically engaged in swimming, jogging, or aerobic calisthenics for 30 to 40 minutes, two to three timesSee also p 774.
Witteman GJ. Branch Retinal-Vein Occlusion Following Body Inversion. Arch Ophthalmol. 1987;105(6):752. doi:10.1001/archopht.1987.01060060038021