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Athens protocol: topo-guided partial PRK and CXL

Poster Details

First Author: G.Pamel USA

Co Author(s):    A. Kanellopoulos              

Abstract Details


To evaluate the safety and efficacy as well as potential complications encountered.

Setting: Eye Institute, Athens, Greece


212 KCN cases that had undergone the Athens Protocol (combined topo-guided PRK with the Wavelight excimer laser platform-400Hz eyeQ and EX500 excimer lasers and higher fluence CXL with 10mW/cm2 for 10 minutes) were evaluated over follow-uo time of 6 to 48 months. All cases were evaluated for uncorrected visual acuity (UDVA), best spectacle-corrected visual acuity (CDVA), refractive error (SE), keratometry (K), corneal topometry (T), pachymetry (P), cornea OCT, and endothelial cell count (ECC) and epithelial stability and cornea clarity.


None of the cases showed further ectasia progression. UDVA improved from 0.3 to 0.5, CDVA from 0.5 to 0.8, attributed to mean improvement of the cornea index of height decentration (IHD) by 55%, SE from -3.8 to -1.6 Diopetrs, Mean K from 51.5 to 47.5. 50% of cases gained 2 lines of CDVA, 35% 3 lines respectively. Minor complications were encountered in 12% of cases.


The AP appeared to be a safe and effective in halting ectasia progression and improving UDVA and CDVA by dramatically improving the IHD. FINANCIAL DISCLOSURE?: ... travel has been funded, fully or partially, by a company producing, developing or supplying the product or procedure presented

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