Medica Group, a British stock market-listed medical company, has acquired Dublin-based Global Diagnostics Ireland (GDI) for an initial consideration of €16 million.  Medica bought the business from Centric Health, a healthcare group founded by Dr Maurice Cox and Dr Ray Power. The acquisition by Medica, which has a market capitalisation of over £100 million, was announced to the London Stock Exchange this morning.  The deal will bring Medica into the Irish teleradiology services market. It will also expand its services into the area of ophthalmology where Global Diagnostics has a 50 per cent market share for the provision of diabetic…