Study: 3D viewing can be fatiguing, cause eye strain

A new study says watching 3D television causes more eyestrain than watching traditional TV. The study, funded by Korean CE manufacturer Samsung, said test subjects also reported more fatigue and a lack of clarity in their vision after watching 3D sets.

The researchers varied the focal point and vergence distance--where on the image the eye is trying to focus--for 24 test subjects, and asked them to watch video and rate their eye fatigue, neck and back pain and vision clarity.

Subjects reported the most discomfort with 3D that varied focal point and vergence distance, especially on more distant screens with images appearing deeper in the screen and with displays that were a short distance away, with images popping off the screen.

The study may provide one more blow to CE manufacturers as they try to popularize 3D television.

For more:
- see this Gear & Gadgets article

Related articles:
CBS weighs entry into 3D market
3D TV sees slow uptake in U.S. market, for now
Survey: 3D adopters love the new technology
Samsung launching 3D video-on-demand service this summer
Report shows consumers not ready to buy 3D TVs... yet
ESPN 3D to finally debut on Verizon FiOS TV

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