Most def do the Schirmer (sp?) test on both eyes - you do need to know their moisture status first and foremost.
And then, to me - it sounds like you really should treat for allergies as it sounds like they really affect her. You will likely need to treat w/ Apoquel, Atopica, or Cytopoint for year round enviro allergies (pollens, trees, grass, dust, mites...etc...).
Read this whole thread:
http://www.yorkietalk.com/forums/die...tart-here.html