If you have problems viewing three-dimensional images, then conventional 2D TV sets are for you.

The depth perception is limited in around 5-10% of population. Far more people have other vision problems that may prevent them from seeing 3D images in movies or the new 3D TV.

To maike a 3D film requires two cameras that capture two images, simulating the different perspectives of the left and right eyes. 3D glasses enable each eye to see the proper perspective and the brain combines them into a stereoscopic image.

People whose eyes aren't perfectly aligned because of strabismus (eyes don't align when focusing) or amblyopia (one eye loses the ability to see details) or who struggle to keep their eyes lined up and moving together will probably have difficulty fusing the images into a 3D experience. Moreover, the challenge might cause eyestrain (dry, irritated, or painful eyes), which could lead to headache.

If you are having problems viewing 3D images, consult an ophthalmologist or optometrist.

There are some six million people in the UK, the Eyecare Trust claims, who have poor binocular vision. This means their eyes have difficulty processing and viewing the 3D effects, so they’re more likely to see blurred images, resulting in headaches and other unpleasantness.

The Eyecare Trust commented: “You may not have realised that you have poor binocular vision before because your brain will often try to compensate for any visual inadequacies.”

“The good news however is that binocular conditions can be easily detected during a routine eye examination and treatment may be as simple as a new pair of glasses or some vision therapy.”

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