Of course, your dog will need to use it for the rest of her life because as soon as you stop using it the lacrimal gland will stop working again, however you can
buy an awful lot of Optimmune
for the cost of having that surgery on both eyes, and the surgery is not without its problems either.
In Parotid Duct Transposition surgery, the parotid duct that carries saliva to the mouth is re-routed to deposit the saliva in the eye instead.