Alpins N, Stamatelatos G (April 2007). "Tailored photoastigmatic refractive keratectomy utilizing combined topographic and refractive knowledge for myopia and astigmatism in eyes with forme fruste and moderate keratoconus". Rays of light can bend once they pass through h2o or simply a cornea such as the very clear front surface of https://wekurehealth.com/blog/cataracts-what-to-expect-and-how-to-prepare-wekure-health/