Billions of toxic caterpillars that can cause BLINDNESS are infesting an Essex village

Billions of toxic caterpillars that can cause BLINDNESS are infesting an Essex village They may only grow to be 38 millimetres in length, but these toxic caterpillars can cause permanent damage to humans. Brown-tail moth caterpillars have millions of tiny barbed hairs on the bodies, which can fly off and cause skin inflammation, respiratory problems and even blindness.