PROBLEM TO BE SOLVED: To make it possible to easily enjoy wearing eyeglasses according to time, place, occasion by changeably attaching the eyeglasses to a replaceable frame with one action, without the necessity to order many expensive powered glasses lenses.;SOLUTION: Regarding the detachable inside-hook type main lens assembly (10) comprising two main correcting lenses (L) and a lens assembly (12), hook type projections (14) are separately arranged at outer most end parts of right and left outer end parts of the assembly (10), and a magnet (16) or a magnetic body is arranged at the inside of each projection (14), the intermediate part is connected through a bridge. The replaceable frame assembly (20) that holds the main lens assembly at the inside thereof is configured to have magnet holding projections (24) for locking the hook type projection and the magnet of the main lens assembly at the same time, and the main assembly is made changeable for another with one action, and a plurality of frame assemblies are prepared so as to be replaceable with another.;COPYRIGHT: (C)2009,JPO&INPIT
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