optikum, specialized magazine for eye optics and optometry. The optikum informs continuously about the subjects of optometry, ophthalmic lens technology, version trends, contact lens optics, low vision, device optics, literature, law and occupational interests. All articles are freely accessible. The optikum also send an info mail to opticians and technicians every 2-3 weeks. Opticians, optometrists and people from the industry can subscribe the optikum info mail for free.