eyestone
/ˈaɪˌstoʊn/
noun
- A small, smooth object (such as a lens or a natural stone) used to remove foreign particles from the eye.
- The old farmer kept an eyestone in his pocket to help when dust blew into his eyes.
- In the past, people would carry an eyestone as a simple remedy for eye irritations.
- She used an eyestone to gently coax the speck of sand from her eye.