In a recent publication,1several of us reported a patient with cystine crystals in the conjunctiva and cornea, a sign which is thought to be pathognomonic of systemic cystinosis. The chief interest in this case revolved around the fact that the patient was a healthy adult of normal physique, whereas the cystinosis of infancy results in renal rickets and usually death within the first one or two decades of life. Furthermore, our patient showed neither amino acid disturbance in the blood nor renal disturbance, which is characteristic of infantile cystinosis. In our previous article, the term Lignac-Fanconi syndrome was used synonymously with the term cystinosis. This was in keeping with the terminology employed by Bickel and coworkers.2Since then, our attention has been called to an article by DeToni,3in which he proposes the name Abderhalden-Kaufman-Lignac syndrome for this entity as being historically more accurate. Since the