**Author details**

Enzo Maria Vingolo1 \*, Laura Contento1 , Antonio Florido1 , Filippo Avogaro1 and Paolo Giuseppe Limoli2

1 Department of Medical-Surgical Sciences and Biotechnologies, U.O.C. Ophthalmology, Sapienza University of Rome, Terracina, Italy

2 Low Vision Center, Milan, Italy

\*Address all correspondence to: enzomaria.vingolo@uniroma1.it

© 2020 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
