Commodity200520062007200820092010
Optical fibres, optical fibre bundles & cables (excl. of 85.44)    $36,770 
Contact lenses$1,334$1,293$1,034$323$97 
Spectacle lenses of glass, unmounted$4,218$3,670$3,666$981$1,029$5,841
Spectacle lenses of mats. other than glass, unmounted$742  $1,530$34$1,366
Lenses (excl. of 9001.30-9001.50), prisms, mirrors & oth. optical elements, ... $871$7,380   
Total$6,294$5,834$12,080$2,834$37,930$7,207