![]() This method may postpone or eliminate the need for corneal transplantation in suitable cases with keratectasia. CONCLUSIONS: A combination of topography-guided custom ablation and CXL improved patients’ visual, refractive, and topography outcomes and halted the progression of keratectasia within the observation period of 12 months. Only minor changes in posterior corneal surface elevation and stability of refraction were found, confi rming that no progression of ectasia occurred during the observation time. Mean astigmatism was reduced from 5.402.13 diopters (D) to 2.701.44 D, and keratometric asymmetry decreased from 6.381.02 D to 2.760.73 D. Mean BSCVA increased from 20/57 to 20/35, with no loss of lines of visual acuity. Corneal Topography shows the characteristic, but not pathognomonic. RESULTS: Mean UCVA increased from 20/1000 preoperatively to 20/125 12 months postoperatively. Pellucid marginal corneal degeneration (PMCD) is a rare bilateral noninflammatory. Uncorrected visual acuity (UCVA), best spectacle-corrected visual acuity (BSCVA), refractive change, corneal topography, and pachymetry were analyzed pre- and postoperatively. Forty-seven eyes of 32 patients with crab claw patterns were identified from 2751 patients with corneal ectasia. Postoperative follow-up examinations were performed at 1, 3, 6, and 12 months. PurposeTo evaluate the topographic, tomographic, and densitometric properties of patients with pellucid marginal degeneration (PMD) and inferior keratoconus.Patients and methodsRetrospective, comparative case series. Patient 2 is wearing a topography guided custom scleral Z-Wave gas permeable lens. spectacle visual acuities, corneal topography maps, and other. The Look Of Pellucids, The Topographical View. A detailed history including the age of presentation, onset of symptoms, systemic diseases, atopy, and relevant family history was reviewed. central penetrating keratoplasty (PK) for advanced pellucid marginal degeneration (PMD). or lipid deposition and typical topographic features whenever topography was performed. Collagen cross-linking was performed immediately after topography-guided custom ablation, according to standard protocol. Pellucid marginal corneal degeneration was seen predominantly in males in this series. Topographic analysis in pellucid marginal corneal degeneration and keratoglobus. Topography-guided custom ablation was performed using a transepithelial technique with the iVIS Suite 1 kHz fl ying spot excimer laser. Corneal topography suggested that in the second patient, PMCD may have. METHODS: Twelve eyes of 12 patients with keratectasia were treated with topography-guided custom ablation and CXL. PURPOSE: To evaluate a combination of topographyguided custom ablation and corneal collagen crosslinking (CXL) in a single procedure for the treatment of keratectasia. ![]()
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