CCTV.com - CNTV English - CCTV News

Australian expert says 3D TV of no health threat

07-08-2010 08:40 BJT

SYDNEY, July 7 (Xinhua) -- The latest technology in 3D television posed no more risk than a conventional flat screen TV, Professor Colin Clifford said on Wednesday.

Fear over the introduction of 3D TVs was misplaced, he noted, and a carry-over from worries about an early version of interactive home entertainment.

"The concern about 3D TV originates with the development, a couple of years ago, of virtual reality goggles which have tiny screens right in front of both eyes which present a slightly different image to each eye," he said.

Prof. Clifford, of The Vision Center and the University of Sydney, said these goggles forced each eye to focus on a point that was very close, while a user's brain received images of objects that appeared to be far away.

This was not the natural orientation for the eyes when looking into the distance, Clifford said, and this process raised the potential for "confusing the brain's processing system".

"As 3D TV is usually watched from a longer distance it is unlikely to affect how the eyes and brain perceive depth of field, " he said.

Clifford said there was an argument that 3D television actually created less of a conflict for the brain's vision interpretation processes than ordinary 2D television.

He advised all televisions should be watched from a distance of two to three meters and within recommended daily time limits.

Editor:Zheng Limin |Source: Xinhua

Hot Videos view more

The celebrations are still continuing as the victorious coach, Joachim Loew, has been honored for his achievement in his hometown of Freiburg.
Germany coach Loew honored in hometown of Freiburg

Chinese men´s national team continued its preparations for next year´s Asian Cup, as they managed a one-all draw against visitors Jordan during a football friendly in Harbin, the capital city of Northeast China´s Heilongjiang Province.
China held to 1-1 draw by Jordan

The defending world champs came into the contest with a perfect 6-and-oh record, but they would be in for a tough first half before opening things up in the second.
USA beat Slovenia 119-76 in quarter-finals

Hot Stories more

UK authorities believe killer of James Foley is a British national

Across the UK the hunt is on for James Foley’s killer, who authorities believe is a British national. As Richard Bestic reports from London, Prime Minister David Cameron cut short his summer break to lead his government’s response.

Israeli war jets renews Gaza strike as truce talks stalled

Three Palestinians were killed and 40 others wounded in the intensive Israeli war jets´ airstrikes on the Gaza city on Tuesday night, shortly before an end of a 24-hour ceasefire in the Gaza Strip,

Missouri police arrest dozens after violent night

As the protests in the town of Ferguson, Missouri turned violent with police facing ´heavy gunfire´ from some ´criminal elements´, cops fired tear gas, stun grenades and arrested 31 demonstrators on Monday night.

Picture in news more

More Video News

Choose TV Program