The evaluation of chemical conjunctivitis begins with a medical history and physical examination, including an eye exam.

Physical findings in those with chemical conjunctivitis may include:

• Eye redness
• Colored eye discharge (if infected)

Usually, the diagnosis of chemical conjunctivitis does not require testing. Testing may be performed to detect bacterial conjunctivitis.

Tests that may be used to evaluate chemical conjunctivitis include:

• Culture of the tears for bacteria