Corneal Cross-Linking-Induced Stromal Demarcation Line

@article{Seiler2006CornealCS,
  title={Corneal Cross-Linking-Induced Stromal Demarcation Line},
  author={Theo G. Seiler and Farhad Hafezi},
  journal={Cornea},
  year={2006},
  volume={25},
  pages={1057-1059}
}
Purpose: Corneal collagen cross-linking by UVA/riboflavin (X-linking) represents a new method for the treatment of progressive keratoconus and currently is under clinical study. To avoid UVA irradiation damage to the corneal endothelium, the parameters for X-linking are set in a way that effective treatment occurs only in the first 300 μm of the corneal stroma. Here, X-linking not only strengthens the biomechanical properties of the cornea but also induces keratocyte apoptosis. To date, the… 
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TLDR
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TLDR
Evaluation of demarcation line (DL), a transition zone between the cross-linked anterior corneal stroma and the untreated posterior cornea, is considered a measurement of the depth of CXL treatment into the stroma, which indicates effectiveness of the CXL.
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TLDR
The overall safety and efficacy of the modified CXL protocols are good, as most of them managed to halt the progression of keratectasia without postoperative complications, but controlled studies with long-term follow-up are required.
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TLDR
Both the CXL demarcation line depth and its proportion over the corneal thickness were greater at the central cornea than the peripheral cornea.
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TLDR
The chapter describes briefly standard “Dresden protocol” and also accelerated mode of CXL treatment, and the importance of medical history of the patient, evidence of the progression of keratoconus and possible complications after the procedure are turned to.
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TLDR
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TLDR
Three cases that did not display regression but rather displayed a massive remodelling with Kmax reduction of up to 9.5 dioptres (D), accompanied by formation of a deep stromal opacity and a distinct increase in best spectacle-corrected visual acuity (BSCVA) are reported.
Corneal collagen cross-linking following superficial keratectomy as treatment for corneal endothelial cell dystrophy in dogs: Preliminary clinical study.
TLDR
Collagen cross-linking with SK has the potential to reduce the corneal thickness in CED cases; however, a lasting clinically significant improvement of corneAL transparency seems unlikely.
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