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Pellucid topography4/1/2023 ![]() In the intervening 12 years, newer technologies (eg, Scheimpflug cross-sectional imaging, optical coherence tomography ) have evolved to further assist the clinician in diagnosing ectatic disorders. Rabinowitz updated the review, stating that in the past 14 years technology has had a major impact on our understanding of keratoconus and asserting that computer-assisted videokeratoscopes represented the most sensitive and sophisticated devices for diagnosing early disease. Feder, and I wrote a comprehensive review article for Survey of Ophthalmology titled “Keratoconus and Related Noninflammatory Corneal Thinning Disorders.” We began by posing 2 questions: how do you diagnose early disease, and what is the appropriate treatment? In 1998 Yaron S. Shakespeare may have been a prolific bard, but we should all be glad he chose to pick up a quill as opposed to a scalpel, because in medicine names matter. In the celebrated quote above, William Shakespeare suggests that names do not matter. Juliet Shakespeare’s Romeo and Juliet, 1600 Romeo, doff thy name, and for that name which is no part of thee take all myself. Retain that dear perfection which he owes without that title. So Romeo would, were he not Romeo call’d , That which we call a rose by any other name would smell as sweet It is nor hand, nor foot, nor arm, nor face, nor any other part belonging to a man. This will allow practitioners a better understanding of the study population, and allow them to ascertain when and in whom the treatment modality being explored may be applicable. We propose that future studies minimally include anterior and posterior elevation maps, anterior curvature topography, and full pachymetric maps. In addition, the interchangeability of the nomenclature used to describe these disorders in the literature makes it even more difficult for the clinician to determine the applicability of the results to their patient population. ![]() Many studies exploring the different treatment modalities for pellucid marginal degeneration and keratoconus rely mainly on anterior curvature maps to establish the diagnosis of these ectatic disorders, and either do not utilize or disregard information provided by pachymetric maps and posterior elevation maps. To discuss the implications of the current nomenclature and use of current diagnostic modalities on the classification and treatment of pellucid marginal degeneration and keratoconus.Īnalysis of published reports on the various treatment methods for pellucid marginal degeneration and keratoconus, and the technologies used in these studies to support the diagnosis and classification of these ectatic disorders. ![]()
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