| 摘要 |
A method for assembly of an eyewear and an eyewear structure are provided to incorporate preferred properties into the eyewear. A lens is encircled by a rim element having the preferred properties thereby forming a lens unit which is removably attached to the eyewear structure. Therefore, the lens can be better retained within the eyewear structure. Such lens units can be made interchangeable one to another, and with a variety of individual properties such that replacement of the lens unit attached to the eyewear structure with a selected one of the interchangeable lens units, will change the properties of the eyewear as per user's preferences.
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