Vinegar can cause harm to the eyes.
A dill pickle absorbs the vinegar it is soaked in.
Dill pickles can cause harm to the eyes.
What can dill pickles do to eyes?

[a] help them focus
[b] kill them
[c] reduce swelling
[d] harm them
[e] Change colors
[f] increase vision ability
[g] Relieve pain
[h] protect them