Golf-Swede Karlsson ruled out of British Open

Swede Robert Karlsson, the European number one, has withdrawn from this month's British Open at Turnberry due to a long-term eye problem, the BBC said on Tuesday.

The 39-year-old, ranked 15th in the world and a nine-times winner on the European Tour, is suffering from a blister behind the retina and has not played since the European Open in May.

The British Open runs from July 16 to 19.

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