Google Glass: a headache for creator

An expert who worked with Google to develop spectacles with an embedded computer screen has warned that the device can cause “eye aches”.
Eli Peli, a professor of ophthalmology at Harvard Medical School, said that Google Glass may initially cause discomfort among wearers who stare for long periods at the translucent screen at the top right of their field of vision.
The spectacles allow wearers to perform internet searches, send emails and take pictures and videos.
Professor Peli’s comments come after complaints from users that the device — which went on sale this month priced at $1,500 (£889)