To ask the Scottish Executive, further to the answer to question S1W-30396 by Cathy Jamieson on 5 November 2002, whether its Education Department is aware of research conducted by RNIB Scotland and Visual impairment Scotland indicating that the actual prevalence rate of visual impairment among school pupils is approximately 2.3 per thousand, equating to more than 2000 pupils, compared with the total figure of 429 pupils quoted in that answer.