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    • Development of a new grading scale for tear ferning 

      Masmali, Ali M.; Murphy, Paul J.; Purslow, Christine (Elsevier, 2013-10-25)
      Purpose: This paper reports on the development of a new tear ferning (TF) subjective grading scale, and compares it with the Rolando scale. Method: TF patterns obtained from tear film samples collected from normal and dry ...


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