Mares exported the Vedo optical diving mask to the UK as early as 1964, when it appeared in the underwater catalogue of Lillywhites of London:
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It did not appear the following year, however, which suggests British divers might have found the process of installing prescription lenses an overcomplicated matter.
French ads for the mask appeared in 1966 and 1967:
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Both advertisements draw attention to the fact that Enzo Majorca set a world freediving record using a Mares Vedo mask.
The 1969 Mares catalogue gave a prominent place to the Vedo, now the "Nuova Vedo" or "new Vedo", including a caption in three languages:
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Italian: "
Articolo 1111 Nuova Vedo. La più pratica ed economica delle maschere ottiche attualmente in commercio. Viene normalmente fornita con vetri piani e complanari, per cui può essere usata anche da coloro che non necessitano di lenti ottiche. La minima distanza lente-occhio e la corretta distanza interpupillare. garantiscono il massimo campo visivo. Le lenti già inserite nelle apposite guarnizioni, si innestano nelle sedi con semplice pressione."
English: "
Item 1111 Nuova Vedo. The most practical and economical mask for substitution with prescription lenses, presently available on the market. As a standard supplied with plaln glass lenses, so that the mask can also be used by people, who do not need spectacles. Close-to-face design and the correct distance between the pupils of the eye secure a maximum visibility. The glass lenses, already provided with a rubber rim, can be easily installed by a simple press."
French: "Article 1111 Nuova Vedo. Le plus économique des masques optiques actuellement sur le marché. Très pratique, il est delivré avec deux verres optiques neutres qui permettent l'utilisation à tous plongeurs. La distance minimum oeil-lentilles et celle interpupillaire assurent un champ de vision très large. Les lentilles équipées de joint sont montées par pression."
Note the design changes, in particular the use of a single outer lens and the modified nose pocket.