This sub-class includes: - retail sale of wall-mounted clocks, desk clocks, watches and other personal clocks or watches; - retail sale of glasses: short-sighted glasses, long-sighted glasses, sunglasses, dustproof glasses etc. including optometry, ophthalmology for retail sale of eyeglasses. retail sale of photographic, optical and photographic materials in specialized stores This sub-class includes: - retail sale of cameras; - retail sale of goods for cameras such as photographic film, camera batteries, memory cards etc.; - retail sale of other photographic materials such as photographic paper, chemicals and printing materials, developing film etc.