Alpins N, Stamatelatos G (April 2007). "Tailored photoastigmatic refractive keratectomy employing blended topographic and refractive data for myopia and astigmatism in eyes with forme fruste and mild keratoconus". Hellen Keller, who was equally deaf and blind, explained, "The only thing worse than being blind is having sight but no vision." https://wekurehealth.com/best-cataract-treatment-in-delhi/