Question: is herpes simplex 1 related to chickenpox?
Answer: The varicella-zoster virus is the one that causes chickenpox and shingles. When it affects your eye, it's called herpes zoster ophthalmicus. Herpes simplex type 1, or HSV1, which causes cold sores on your lips and mouth, can also lead to eye problems. It usually results in an infected cornea.