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-	US car giant General Motors (GM) has reported a sharp drop in quarterly profits, in part due to its loss-making European operations.	+	Two British men who have been totally blind for many years have had part of their vision restored after surgery to fit pioneering eye implants.
-	Net profit for the first three months of the year was $1.35bn (�830m), compared with $3.41bn a year earlier.	+	They are able to perceive light and even some shapes from the devices which were fitted behind the retina.
-	GM Europe made a loss of $300m in the period, compared with breaking even a year ago, while goodwill adjustments reduced profit by $600m.	+	The men are part of a clinical trial carried out at the Oxford Eye Hospital and King's College Hospital in London.
-	However, record demand in China helped push overall revenue up 4% at $37.8bn.	+	Professor Robert MacLaren and Mr Tim Jackson are leading the trial.
-	Record profits	+	The two patients, Chris James and Robin Millar, lost their vision due to a condition known as retinitis pigmentosa, where the photoreceptor cells at the back of the eye gradually cease to function.
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-	"The US economic recovery, record demand for GM vehicles in China and the global growth of the Chevrolet brand helped deliver solid earnings for General Motors," said GM chief executive Dan Akerson.	+
-	"New products are starting to make a difference in South America, but Europe remains a work in progress."	+	The wafer-thin, 3mm square microelectronic chip has 1,500 light-sensitive pixels which take over the function of the photoreceptor rods and cones.
-	The carmaker also raised its sales forecast for this year, estimating sales of 14 to 14.5 million vehicles compared with its previous estimate of 13.5 to 14 million.	+	The surgery involves placing it behind the retina from where a fine cable runs to a control unit under the skin behind the ear.

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Revision as of 19:45, 3 May 2012

Two British men who have been totally blind for many years have had part of their vision restored after surgery to fit pioneering eye implants.

They are able to perceive light and even some shapes from the devices which were fitted behind the retina.

The men are part of a clinical trial carried out at the Oxford Eye Hospital and King's College Hospital in London.

Professor Robert MacLaren and Mr Tim Jackson are leading the trial.

The two patients, Chris James and Robin Millar, lost their vision due to a condition known as retinitis pigmentosa, where the photoreceptor cells at the back of the eye gradually cease to function.

The wafer-thin, 3mm square microelectronic chip has 1,500 light-sensitive pixels which take over the function of the photoreceptor rods and cones.

The surgery involves placing it behind the retina from where a fine cable runs to a control unit under the skin behind the ear.