() is a Japanese retail outlet chain that sells glasses (spectacles). The company is headquartered in Tennà Âji-ku, Osaka, Osaka Prefecture.
Aigan was founded in 1961.
Aigan opened its first store in China in 1994.
In 2012, Aigan launched a collection of officially licensed Star Wars glasses.
In 2022, Aigan announced it was liquidating its stores in China after recording losses for seven consecutive years.
Aigan has 223 stores (2022).