Interesting you ask bc my foster has blocked tear ducts and had to have this done. It's very simple...they put a colored dye into the eye and wait about 15mins max to see if any of the colored liquid drains out the nose. If it doesn't drain out, the ducts are blocked.
__________________ ~ A friend told me I was delusional. I nearly fell off my unicorn. ~
°¨¨¨°ºOº°¨¨¨° Ann | Pfeiffer | Marcel Verdel Purcell | Wylie | Artie °¨¨¨°ºOº°¨¨¨° |