1. Artificial vision for the blind. The summit may be closer than you think;DOBELLE;ASAIO Journal (American Society For Artificial Internal Organs: 1992),1994
2. FINKOVÁ, D., A KOL. (2012). Edukace jedinců se zrakovým postižením v kontextu kvality vzdělávání. Olomouc: Univerzita Palackého. ISBN 978-80-244-3262-5.
3. HEALY, M. (2012, November 12). The mind́s eye can learn to see, even in those blind since birth. Los Angeles Times. [online] Retrieved from: http://articles.latimes.com/2012/nov/12/news/la-heb-blind-brain-sound-reading-20121109.
4. Hebrew University of Jerusalem. (2012, November 7). Activating the ‘mind's eye’: Alternative vision using sounds. ScienceDaily. [online] Retrieved from: www.sciencedaily.com/releases/2012/11/121107122556.htm.
5. CHUANGCHUANG, A.T., GREENBERG P.B. & Margo C.E. (2014). Retinal implants: A systematic review. British Journal of Ophthalmology, doi: 10.1136/bjophthalmol-2013-303708.