On ven, 2012-10-26 at 18:40 -0400, lbuy...@nc.rr.com wrote: > Does anyone know if it is true that doing close work (like making lace) in > low light for many hours a day can cause blindness? > Blindness was very high with lace maker it diminished when they started to have colored parchment to work with, before they worked white on white with poor light and do not forget they worked 14 hours a day or more, no break for tea just a little lunch, no looking up. Then for most illness no cure, and malnutrition and and never enough to eat was the rule for most. So yes lace-making helped them to become blind even if it was not the only reason.
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