A swimming goggle includes a pair of right and left eye-cups; a coupling member for coupling the opposed inner end portions of a pair of the eye-cups; connecting members connected to the outer end portions of a pair of the eye-cups, each of which has a length such that the rear end portion reaches the...http://www.google.fr/patents/US5515551?utm_source=gb-gplus-shareBrevet US5515551 - Swimming goggles
