The relationship between clinical signs and dry eye symptoms

Pult, H., Purslow, Christine and Murphy, Paul James 2011. The relationship between clinical signs and dry eye symptoms. Eye 25 (4) , pp. 502-510. 10.1038/eye.2010.228

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Abstract

Purpose To evaluate (i) the relationship between traditional and new clinical tests (lid-wiper epitheliopathy (LWE), lid-parallel conjunctival folds (LIPCOF)) and dry eye symptoms in non-contact lens wearers, and (ii) that a combination of these tests can improve predictive ability for the development of dry eye symptoms. Methods Tear meniscus height (TMH), non-invasive break-up time (NIBUT), ocular hyperaemia, LIPCOF, phenol red thread test (PRTT), corneal and conjunctival staining, and LWE grades were observed in a cohort of 47 healthy, non-lens wearers (male=17, female=30, median age=35 years, range=19–70). Symptoms were assessed using the Ocular Surface Disease Index (OSDI). Results LWE was significantly correlated to both temporal and nasal LIPCOF (0.537<r<0.607, P<0.05). LIPCOF and LWE were significantly correlated to NIBUT and PRTT (r>−0.248, P<0.001). Significant correlations were found between NIBUT and TMH (r=0.461, P=0.001) and PRTT (r=0.640, P<0.001). OSDI scores were significant correlated to NIBUT, TMH, PRTT, LIPCOF, and LWE (r>|0.31|; P<0.05). Significant discriminators of OSDI+/− were NIBUT (area under the receiver operative characteristic curve (AUC)=0.895), TMH (0.715), PRTT (0.781), LIPCOF (temporal/nasal/Sum 0.748/0.828/0.816), and LWE (0.749). Best predictive ability was achieved by combining NIBUT with nasal LIPCOF (AUC=0.944). Conclusions The individual tests NIBUT, TMH, PRTT, LIPCOF, and LWE were significantly, but moderately, related to OSDI scores. The strongest relationship appeared by combining NIBUT with nasal LIPCOF.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Optometry and Vision Sciences
Subjects:	R Medicine > RE Ophthalmology
Publisher:	Nature Publishing Group
ISSN:	0950-222X
Last Modified:	04 Jun 2017 03:33
URI:	https://orca.cardiff.ac.uk/id/eprint/22745

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