Corneal hysteresis and corneal resistance factor in pellucid marginal degeneration
نویسندگان
چکیده
منابع مشابه
Corneal hysteresis and corneal resistance factor in pellucid marginal degeneration
Purpose To evaluate and compare corneal hysteresis (CH) and corneal resistance factor (CRF) in pellucid marginal degeneration (PMD), keratoconus (KCN), and normal eyes using the Ocular Response Analyzer (ORA). Methods In this retrospective study, corneal biomechanical parameters were measured in patients with PMD (n = 102) and KCN (n = 202) and normal subjects (n = 208) using the ORA. Data, i...
متن کاملCorneal Hydrops in Pellucid Marginal Degeneration: A Case Series
PURPOSE To report an unusual presentation of pellucid marginal degeneration (PMD) and its management by using air injection and tension sutures. CASE REPORT We report 2 cases with a history of acute pain and loss of vision. Examination revealed hydrops at the 6-9 o'clock meridian with Descemet's membrane detachment and tear at the same area and advanced PMD in the other eye. DISCUSSION Air ...
متن کاملRefractive and corneal aberrometric changes after intracorneal ring implantation in corneas with pellucid marginal degeneration.
PURPOSE To evaluate refractive, visual, and aberrometric changes in corneas with pellucid marginal degeneration (PMD) implanted with intracorneal ring segments (ICRS) during a 6-month follow-up. DESIGN Retrospective, consecutive case series. PARTICIPANTS We included 21 consecutive eyes of 15 patients ranging in age from 21 to 73 years old and with a diagnosis of PMD. This diagnosis was made...
متن کاملSpontaneous Corneal Hydrops and Perforation in Pellucid Marginal Degeneration; A Case Report
PURPOSE To report an unusual presentation of pellucid marginal degeneration (PMD). CASE REPORT A 57-year-old man with history of corneal ectasia experienced acute hydrops and spontaneous corneal perforation in his right eye. Examination revealed PMD in both eyes. After initial treatment with cyanoacrylate adhesive and a bandage contact lens, therapeutic penetrating keratoplasty was undertaken...
متن کاملCorneal Collagen Cross-Linking in Pellucid Marginal Degeneration: 2 Patients, 4 Eyes
Purpose. To report the long-term results of corneal collagen cross-linking (CXL) with riboflavin and ultraviolet-A irradiation in 4 eyes of 2 patients affected by pellucid marginal degeneration (PMD). Methods. This study involved the retrospective analysis of 4 eyes of 2 patients with PMD that underwent CXL treatment. Of the eyes, three had only CXL treatment and one had CXL treatment after an ...
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ژورنال
عنوان ژورنال: Journal of Current Ophthalmology
سال: 2018
ISSN: 2452-2325
DOI: 10.1016/j.joco.2017.11.004