Skipper Steven Gerrard and defensive lynchpin Martin Skrtel may be among the best in the business on the football field, but how would they fare without the use of their sight?

As the Liverpool squad prepare to promote 'Seeing is Believing' - a Standard Chartered initiative which aims to tackle avoidable blindness - on their shirts for tomorrow night's Anfield clash with Chelsea, we put our star duo to the ultimate test at Melwood.

How many keepy-ups could they manage if they joined the 285 million people around the world who are either blind or partially sighted? How would they fare taking a penalty?

Find out how they got on in a special challenge at Melwood last month by watching our free video and by taking a look at a selection of pictures from the day below.

Watch the video here »

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Find out how you can bid for and when one of the limited edition shirts the players will be wearing against Chelsea>>