- Associated Press - Thursday, November 4, 2010

NEW YORK (AP) - People who watched ESPN’s 3-D telecasts of the World Cup initially complained of headaches and eyestrain, but both decreased over time.

The network announced its 3-D research Thursday from its telecasts in June and July. It involved over 1,000 testing sessions.

ESPN said that the headache and eyestrain increased during the first half of games, then dropped off following each 15-minute halftime break. While they decreased after the first day during five-day tests, they didn’t drop off among those who watched 270 minutes of soccer in one-day tests.

There was no evidence of nausea or dizziness.



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