Sony unveils a 3D TV you wear on your head

• Puts twin OLED screens VERY close to your eyes
• First 3D TV that won't give you headaches, Sony claims
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• When Sony unveiled its HMZ-T1 3D viewer - a headset with built-in OLED 3D screens - at the Consumer Electronics Show in Las Vegas this January, tech insiders were not convinced by the white plastic prototype. 

'It will never go on sale,' was the general thought. 'Concept!' sneered others. 

Sony has proved the doubters wrong, though - not only is the headset real, it's on sale today for £800. 

The headset launches first in London's Harrods, but it will roll out to Sony Stores across the country this year.

The point? The screen technology inside - OLED - is widely used in phones, but despite Sony  championing the ultra-fast-moving TV technology, it's still far too pricey for large sets at a normal price. 

Sony's demo versions of 3D sets have drawn awed stares at trade shows courtesy of their crisp blacks and fast screen updates, but they have never gone on widespread sale.

The 'Head Mounted Display' allows you to experience the effect of a large, high-contrast OLED screen by siting two small OLED screens directly in front of your eyes. 

If you find that 3D films at the cinema give you a thumping headache, you might also find that the glasses offer the first 3D experience you can digest.

Sony's TMZ-H1 has two tiny OLED screens in front of your eyes to create a solid 3D effect. The headset is £800

Models demonstrate the new 3D headset at London's Harrods. The HMD will roll out to Sony shops across the country this winter

The two panels are completely separate, so it's the first home 3D TV set that is free of 'crosstalk' - when the two 3D images interfere with one another. 

Crosstalk is responsible for many people's negative experiences of 3D TV, including flickering and headaches caused by the screens.

Described as a 'Personal 3D Viewer', the headset will plug into games consoles or 3D Blu-Ray players

The 3D glasses will plug into any 3D source, such as games consoles and 3D Blu-Ray players. 

Don't expect to be overhwelmed with choice, though - 3D Blu-Ray discs are still fairly thin on the ground.