Marks and Spencer (M&S) has announced that it will be trialing in-store optician practices in five of its stores. The five locations include: London, Westfield White City; Manchester, city center; Bolton, Deansgate; York, York Vangarde; and Derby, Intu Derby Centre. The concessions, branded as M&S Opticians, will be run by Galaxy Optical. The five in-store optician practices are scheduled for opening in the summer.