Symptoms of mild chemical conjunctivitis include:

• Eye redness
• Eye irritation
• Mild eye pain
• Eye tearing

Additional symptoms of worsening chemical conjunctivitis may include:

• Worsening eye redness and eye swelling
• Worsening eye pain
• Blurred vision

Symptoms of severe chemical conjunctivitis caused by a strong acid or alkali include:

• Damage to the eye surface
• Severe eye pain
• Loss of vision