Herpes zoster affecting the first division of the fifth cranial nerve or the ophthalmic (eye) nerve: The symptoms of zoster ophthalmicus include eye pain, eye redness, light sensitivity, and complications can be vision loss, pain, or increased pressure inside the eye.

Shingles involving the ophthalmic nerve of the eye with a vesicular (small skin blister) erythematous (redness of the skin) rash along the nerve path (forehead, eyelid, and cornea) preceded by lancinating (sharply cutting) pain: Symptoms of herpes zoster ophthalmicus include swelling of the eyelid, a rash of the forehead, eye redness and sensitivity to light, and fever.