FAYETTEVILLE (KFSM) -- Walmart is one of the nation's largest producer of prescription eye glasses.
In 2015, the retail giant invested $10 million to upgrade their Optical Lab in Fayetteville.
Two other states, Indiana and Dallas, are also on the list for upgrades.
The brick building is on Martin Luther King Blvd. It is open 24 hours a day and has hundreds of employees.
Walmart's goal is to serve more customers quickly and with better quality.