Keratopigmentation in the modern era: A review of current techniques, results, and safety.

To conduct a literature review on current knowledge regarding keratopigmentation (KTP), with a particular focus on femtosecond-assisted procedures. A narrative literature review was performed. Academic databases (PubMed, Google Scholar, Cochrane Library, and SciELO) were searched for articles containing the keywords "keratopigmentation" and "corneal tattoo.