Eyebright is a popular herb these days.  It is usually taken in capsule form and is used for almost all problems with the eyes including:

• excessive mucus discharges
• burning and redness
• itching or pain
• scratched or wounded cornea
• tired eyes
• styes
• swollen eyelids
• eye strain
• allergies that affect the eyes

Eyebright is a native wild plant of Europe.  It contains tannins which reduce inflammation.  I addition to capsules, eyebright can be made into a solution and used as an eyewash though most medical professional don't recommend this because the mixture may not be sterile and do more harm than good.  Eyebright is also sometimes used for colds, coughes, and sinus infections.