HUBERT RAGUET / LOOK AT SCIENCES / SCIENCE PHOTO LIBRARY HUBERT RAGUET / LOOK AT SCIENCES / SCIENCE PHOTO LIBRARY
Chemical toxicity testing. Scientist using a bovine corneal opacity and permeability (BOCP) assay to test the toxicity and irritancy of chemicals on an eye. This test uses a cow's cornea (lower centre) to assess the likely biological response of human eyes to certain chemicals. Photographed at the International Centre for Toxicology (CIT), Evreux, France.
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