. Author manuscript; available in PMC: 2014 Oct 28.

Published in final edited form as: Br J Ophthalmol. 2008 Sep 9;93(1):66–72. doi: 10.1136/bjo.2007.131722

Table 5.

Comparison of dry eye diagnosis based on individual tests

Diagnostic Test	Diagnosis

	Dry Eye (n)	Normal (n)

PRT (n=78)	0	78
MQ (91)	38	53
Biomicroscopy (n=91)	38	53
IC (n=41)	28	13
TBUT (81)	60	21
TBUT & Questionnaire (n=81)	30	51

n; number of subjects

TBUT-tear breakup time; PRT - phenol red thread test; MQ - McMonnies Dry Eye Questionnaire; IC -Impression cytology; MG - meibomian gland; R - right; L – left; y-yes, evidence of correlation; n-no evidence of correlation

P ≤ 0.05,

^**

P ≤ 0.01,

^***

P ≤ 0.001;

ns – no significance.