Distinctive round [[glasses]] with a swirly pattern that often obscure the wearer's eyes. A simple, distinguishing item for [[otaku]] or nerdy characters.

The naming comes from the thickness of the lens being reminiscent of looking through the thick bottom of glass coca-cola bottles.

h4. See also
* [[opaque glasses]]
* [[Tag Group:Eyewear]]
瓶底眼鏡 ぐるぐる眼鏡