Boston Contact Lens

contact lens
contact: a thin curved glass or plastic lens designed to fit over the cornea in order to correct vision or to deliver medication
A thin plastic lens placed directly on the surface of the eye to correct visual defects
A contact lens (also known simply as a contact) is a corrective, cosmetic, or therapeutic lens usually placed on the cornea of the eye.
A thin lens, made of flexible or rigid plastic, that is placed directly on to the eye to correct vision, used as an alternative to spectacles, or, if coloured, to change one's eye color cosmetically

boston
A variation of the waltz or of the two-step
state capital and largest city of Massachusetts; a major center for banking and financial services
Boston (pronounced ) is the capital and largest city in Massachusetts, and is one of the oldest cities in the United States. The largest city in New England, Boston is regarded as the unofficial "Capital of New England" for its economic and cultural impact on the entire New England region.
A card game resembling solo whist
Bo‘ston or Bustan (Bo‘ston, Bostan, Бустан) is a town and seat of Ellikqala District in Karakalpakstan in Uzbekistan.