The purpose of this website is to inform and allow public access to information on the events to be held in relation to WORLD BLINDNESS SUMMIT MADRID 2021. The Organising Committee is led by the ORGANIZACIÓN NACIONAL DE CIEGOS ESPAÑOLES (ONCE) (NATIONAL ORGANISATION OF SPANISH BLIND PEOPLE), host of the event, with Tax ID (NIF) No. Q-2866004-A, with contact telephone +34 915890667 (Administrative Contact ES-NIC), with fax number +34 915899020 and e-mail, with registered office at Calle José Ortega y Gasset, 18, 28006 Madrid, Spain. ONCE's Regulatory State Regulations are defined in Royal Decree 358/1991, of 15 March, which reforms the ONCE-Organización Nacional de Ciegos Españoles (National Organisation of Spanish blind people), amended by Royal Decrees1200/1999, of 9 July 1999 and 1359/2005, of 18 November, and by its current Articles of Association, published by Order SCB/1240/2019, of 18 December (Official State Gazette (BOE) of 21 December 2019) (information provided in compliance with Article 10 of Law 34/2002, of 11 July, on Information Society Services and Electronic Commerce).

This website also provides access to other information, products and services of entities other than the ONCE, in addition to those accessible through the existing links and connections. ONCE reserves the right to amend this Legal Notice at its own discretion.


All the contents provided on this website have been prepared with information from both internal ONCE sources and external sources. Therefore, ONCE shall not be held responsible for any possible lack of updating or inaccuracy of the information belonging to said external sources, and shall only be responsible for contents coming directly from its internal sources and duly identified with its copyright. Therefore, before making any decision or taking any action, ONCE recommends that the User checks the information received from another source.

Some of the contents, services and events offered on this website may be subject to specific terms and conditions, expressly detailed in the corresponding section of the website.


Both access to the Website and the use made of the information and contents herein are the sole responsibility of the User. The conditions for access to this website are subject to current legislation and the principles of good faith and lawful use by its user, and in general, any type of action to the detriment of ONCE or third parties is prohibited. The use of this website for illegal or unauthorised purposes is strictly forbidden.

Access to some content, services and events offered on this website may require accreditation or registration of the user, which can be obtained by completing the forms provided in it. The collection of Users' personal data and its processing by ONCE is regulated under the terms and conditions of the Privacy Policy.


ONCE accepts no liability under any circumstances for any type of damage that may be caused by Users to this website, or to any other website, as a result of illegal or improper use of it, or of the contents and information accessible or provided through it.


ONCE reserves the right to suspend access to this website, without prior notice, at its own discretion and temporarily, for technical or any other reasons, and may also unilaterally modify both the conditions of access and all or part of the contents included therein.


Links to third party websites will allow you to leave the ONCE website. Linked sites are not controlled by ONCE and ONCE shall not be liable for the contents of any linked site or any link found on any linked site, nor for any changes or updates to such sites. ONCE shall not be liable for "webcasting" actions or any other form of broadcasting carried out from any linked site. ONCE only provides these links to Users for their convenience, and the inclusion of any link does not imply approval of the linked website by ONCE.

The links appearing on this website are aimed exclusively to inform the user about the existence of other sources of information on the subject on the Internet, where the information provided on this website can be expanded. These links do not imply a suggestion, invitation or recommendation to visit the destination websites, and therefore, ONCE shall not be liable for the results obtained through these links.


For any litigious issue or incumbent to this Website, the Spanish legislation shall apply. The appropriate Courts of law will be competent to solve any conflict arising from or related to the use of this Website.


Pursuant to the provisions of Royal Legislative Decree 1/1996, of 12 April, approving the Revised Text of the Intellectual Property Law, all rights over the documents hosted on this website are the property of Organización Española de Ciegos Españoles (ONCE (National Organisation of Spanish blind people, unless otherwise indicated. Their use, in whole or in part, for teaching or research purposes is permitted, provided that the source, authorship and ownership of said documents by the ONCE is expressly indicated.

Access to this website implies acceptance of all the above terms and conditions.