1. If it occurs to eyelids, eye membrane, cornea, the affected eyes will be swollen and red, have a burning sensation, irritating and tearing, unable to fully open the eyes. If the cornea is affected, the patient will have blurred vision. Examination result will show less ability to see. In severe case the cornea will be turning to white, eye membrane is inflamed, red, and detached.
2. If the eyes are so much damaged, complications could occur, including misshaped eye lid, eyelash curled inward or outward, severely dried eyes, eye membrane is attached to eyelid causing the patient unable to roll eyes or open eyes, cloudy cornea, blood vessels appear on the cornea, and thinning of cornea that it could be torn.
3. Glaucoma, cataract, or permanent blindness.

Wash your eyes with clean water that you could find the nearest. If there is none, wash with tap water for 20-30 minutes, depending on type of chemicals and how much you get.

Washing with a lot of running water immediately to dilute chemical concentration in the eye is the most important and effective way to minimize chemical hazard that could damage the eyes.