On 14/05/2011 05:58, Bob Blick wrote: > Once more, getting your two eyes to match will reduce your eyestrain > dramatically. Good to hear - this kind of thing creeps up very slowly, and it's hard=20 to remember how things "should be". I have had a nagging feeling about this for a while now though (over a=20 year, as this is why I went to get them tested in the first place..) so=20 I think it will go at the top of my "to do" list. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .