![]() The procedure may be an effective surgical treatment for this. Your doctor will discuss this with you if it is thought to be necessary. I believe this is the first report of the wedge resection procedure to correct visual impairment in pellucid marginal degeneration. This is only done when there is no other way of restoring good vision. This method may postpone or eliminate the need for corneal transplantation in suitable cases with keratectasia. Other treatments Corneal Transplant This is an operation to replace the cornea with a human donor cornea. 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. Spectacle correction of high myopia with or without astigmatism may significantly improve visual acuity and is especially important in children to try to prevent ambyopia. PURPOSE: To evaluate a combination of topographyguided custom ablation and corneal collagen crosslinking (CXL) in a single procedure for the treatment of. Mean BSCVA increased from 20/57 to 20/35, with no loss of lines of visual acuity. Pellucid marginal degeneration Corneal ectasia following refractive surgery Management General treatment Management begins with spectacle correction. RESULTS: Mean UCVA increased from 20/1000 preoperatively to 20/125 12 months postoperatively. Uncorrected visual acuity (UCVA), best spectacle-corrected visual acuity (BSCVA), refractive change, corneal topography, and pachymetry were analyzed pre- and postoperatively. Postoperative follow-up examinations were performed at 1, 3, 6, and 12 months. Collagen cross-linking was performed immediately after topography-guided custom ablation, according to standard protocol. Topography-guided custom ablation was performed using a transepithelial technique with the iVIS Suite 1 kHz fl ying spot excimer laser. Your healthcare provider may recommend watchful waiting and regular tests to check your condition. METHODS: Twelve eyes of 12 patients with keratectasia were treated with topography-guided custom ablation and CXL. Optical section of a patient of advanced Pellucid Marginal Degeneration showing significant corneal thinning inferiorly. In many cases, Terrien marginal degeneration doesn’t require treatment. Conclusions: In the cases studied, the pellucid marginal degeneration was presented with inferior corneal slimming, progressive irregular astigmatism and. 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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