Sphaerotilus natans is an aquatic periphyton bacterial organism found in polluted water. It is also found in the S-shaped tube under the sink. They are commonly called "sewage fungus".
If they get into your eyes,
Sphaerotilus Natans HC (sewage fungus) 969-19 sq 1946-674 Hz
a greyish discoloration covers the white of the eyes.
Combined with the set of frequencies for algae that make the sclera "green",
Sphaerotilus Natans HC And Stigeoclonium
no more myopia! Maybe.
Good luck.