Spectacle lens comprising a base glass and a thin structure

A spectacle lens comprising a base lens (1) and a thin structure (2) that are assembled with each other with an intermediate spacer (30). The spacer is situated along a peripheral edge (12) of the base lens, and a separation space that is determined by said spacer between said base lens and said thin structure contains a gaseous medium during use of the spectacle lens by a wearer. Assembly of the spectacle base lens with the thin structure may be permanent or removable.