Alpins N, Stamatelatos G (April 2007). "Personalized Photoastigmatic refractive keratectomy applying put together topographic and refractive information for myopia and astigmatism in eyes with forme fruste and gentle keratoconus". The use of a femtosecond laser to lift the flap of cornea was found out following a graduate university student in https://wekurehealth.com/blog/the-science-behind-lasik-treatment-in-delhi/