Browsing Waterloo Research by Subject "Phenol red thread test"
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Application of a new grading scale for tear ferning in non-dry eye and dry eye subjects
(Elsevier, 2014-09-14)Purpose: To apply the Masmali tear ferning (TF) grading scale on non-dry eye (NDE) and dry eye (DE) subjects to test the validity of the grading scale in practice, and to describe the grading scale range for NDE and DE. ...