“Corneal topography is a powerful tool for the early diagnosis of PMD,” he said. PMD is most commonly misdiagnosed as inferior keratoconus. “Mild cases of PMD are difficult to detect with slit lamp examination alone,” Shimazaki said. A corneal topography obtained by Pentacam (Pentacam, OCULUS GmbH, Wetzlar. Unlike keratoconus, stromal striae and iron ring are not seen in PMD cases, and physicians should be aware that acute hydrops may occur in patients with the disease. Pellucid marginal degeneration (PMD) is a rare, idiopathic, bilateral. Glasses may also be used, but refractive surgery should be avoided. Crescentic lamellar keratoplasty and crescentic wedge excision can also be considered, he said.Ĭontact lenses, including gas-permeable hard, hybrid or scleral lenses, are the most common form of medical management for PMD, Shimazaki said. Topography of the right eye showed corneal thinning that predominated. Collagen cross-linking may be useful for halting disease progression, as well as the use of an intracorneal ring segment or corneal transplantation. Pellucid marginal corneal degeneration (PMCD) is a progressive, non-inflammatory. They were subclassified into three groups: Group 1 (pellucid marginal degeneration. Proper management of pellucid marginal corneal degeneration (PMD) is important, Shimazaki said, and visual disturbances may develop later and continue to progress. on corneal topography were identified from 3,993 Orbscan II records. “There is no detailed epidemiological data, and unilateral cases constitute 25% of all patients.” Source: Adobe stock. Pellucid Marginal Degeneration (PMD keratotorus), is a degenerative corneal condition, often confused with keratoconus. “The pathogenesis of PMD remains unclear, and no genetic cause has been found,” Jun Shimazaki, MD, PhD, said at Cornea Subspecialty Day at the American Academy of Ophthalmology meeting. If you continue to have this issue please contact to HealioĬHICAGO - Pellucid marginal corneal degeneration is a rare disease, but early diagnosis is necessary to ensure patients’ quality of life, according to a speaker.
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