The Hidden Danger to Vision

The Hidden Danger to Vision There are so many complex chemicals used in the modern world that it is almost inevitable that there will be health hazards from at least some, and a recent report shows the hidden danger to vision of exposure, especially early in life, to the chemical solvent tetrachloroethylene, also known apparently as PCE. The chemical is an organic solvent and widely used in dry cleaning, despite the statement by the International Agency for Research on Cancer classifying it as a carcinogen. There is believed to be widespread contamination of soil and water with this chemical and it is alarming to read reports such as this one which refer to long-term vision impairments associated with it.  The Hidden Danger to Vision It reads:  “A new study led by Boston University School of Public Health (BUSPH) researchers has found that people exposed to higher levels of PCE from gestation through age 5 exhibited poorer color-discrimination abilities than unexposed people. The study, published July 11 in the journal Environmental Health Perspectives, recommends further investigation into the visual impairments associated with PCE exposure.” “The research team assessed visual functioning among a group of people born between 1969 and 1983 to...