Toxic conjunctivitis (also called toxic keratoconjunctivitis) implies direct damage to ocular tissues from an offending agent, usually a preservative or medication.

What causes toxic conjunctivitis?

However, toxic conjunctivitis is caused by the use of certain eye care products or eye medications for a long period of time. It most commonly occurs in people with glaucoma. Toxic conjunctivitis tends to be commonly caused by preservatives in eye medication, contact lens solutions and artificial tears.

What is chemical conjunctivitis?

Chemical pink eye (conjunctivitis) or toxic pink eye is caused by getting smoke, liquids, fumes, or chemicals in the eye. Flushing the eye with running water must be done immediately to remove the toxic chemical or liquid. Mild pink eye can be caused by the chlorine in swimming pools.