COMPUTER software company Vision International has leased 9,500 square feet of office space in the newly refurbished Fitzwilton House near Leeson Street Bridge in Dublin. The company will be paying a rent of £16 per square foot for two floors - part of the space occupied by accountants Coopers & Lybrand before it moved to George's Quay. Jones Lang Wootton is now marketing the remainder of the space, which ranges from single floors of 5,000 square feet up to 30,000 square feet.