PITTSBURGH (AP) - PPG Industries says it will sell its majority stake in lens supplier Transitions Optical to Essilor International for about $1.73 billion in cash.

PITTSBURGH (AP) PPG Industries says it will sell its majority stake in lens supplier Transitions Optical to Essilor International for about $1.73 billion in cash.

Essilor also will acquire PPG's optical sun lens business, and PPG will continue to supply optical dyes and research and development services.

PPG Industries Inc. makes paints and coatings for autos, aircraft and other industries. The Pittsburgh company owns a 51 percent stake in Transitions Optical, while Essilor holds a 49 percent share.

Transitions Optical supplies photochromic lenses. Essilor designs and makes a range of lenses to improve and protect eyesight.

The deal is expected to close in the first half of next year.