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A new customized surgical treatment method of keratoconus and corneal ectasia with customized corneal collogen crosslinking and customized mini excimer lazer treatment

Poster Details

First Author: U.Erdem TURKEY

Co Author(s):    S. Altun   A. Ilhan   U. Yolcu        

Abstract Details

Purpose:

To explain a new customized surgical treatment of keratoconus (KC) or ectasia with customized corneal collagen cross-linking (CCXL) and customized mini excimer lazer treatment (CMELT), and to review the first 6 months outcomes. We developed an analytic surgical method to get more efficient results for the treatment of ectatic disorders with limited corneal ablation. Our surgical method offers a set of customizable parameters to the surgeons based on corneal thickness, topography and wavefront maps, the shape and width of ectasia, location of apex, visual acuity, age

Setting:

Since the visual results of CXL treatment were not satisfied the patients, topography guided treatments added to treatment for a better VA. But topographic method was not flexible and mostly limited to certain amount of ablation. We developed this analytic surgical method to get more efficient results for the treatment

Methods:

Surgical outcomes of 48 eyes (45 KC and 3 ectasia) including wound healing, maximum keratometry (KMax, DK), uncorrected visual acuity (UCVA), and best-corrected visual acuity (BCVA) corneal topography indices, wavefront higher-order aberrations over 6 months are reviewed.from retrospective data analysis from our clinical trials at a single site cornea and refractive surgery subspecialty clinic. In addition, customized lazer treatment (wavefront or topography guided) parameters, and other customizable parameters were used also discussed

Results:

At 6 months, an average of 4.3 diopter (D) flattening in KMax was found with 32 µ avarege planned ablation. Mean BCVA improved more than 3 line. Improvements are even seen at 1 months and stable between 3 and 6 months. The steeper KMax more likely to gain more KMax flattening at 6 months after L, and the eyes with preoperative of 20/40 or worse BCVA were more likely to gain more Snellen lines at 6 year after CCXL, and CMELT if the corneal thickness is over 400µ. No serious intraoperative or post operative complications encountered

Conclusions:

Customized treatment of keratoconus with corneal collagen cross-linking and customized mini excimer lazer treatment (CCXL, and CMELT) seems to be safe and effective in decreasing progression of KC, with improvements in optical measures and visual acuity

Financial Disclosure:

NONE

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