If you were not instructed by your dog's vet to use Teramyacin to clear up the tear staining, please read on. Tear staining is caused by excessive tearing. What cases the excessive tearing is what needs to be found out or the problem may always persist.
The definition of attest is to affirm something to be true or to authenticate. An example of attest is to prove to a college what an excellent candidate a student is for the school. to declare to be true or genuine.
attest. v. 1) to confirm (usually in writing) that a document is genuine. 2) to bear witness that someone actually signed a document, such as a will. All states require at least two witnesses (three in Vermont) to attest that a will was signed and declared to be a will (except a will written in one's own handwriting in some states). (See: will, witness, holographic will) attest