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Invest Ophthalmol Vis Sci. 2005 Jan;46(1):46-50.

The relative burden of dry eye in patients' lives: comparisons to a U.S. normative sample.

Author information

1
Mapi Values, Boston, Massachusetts 02108, USA. polyxane.mertzanis@mapivaluesusa.com

Abstract

PURPOSE:

To assess the relative burden of dry eye in daily life by comparing Short Form-36 (SF-36) responses from individuals with and without dry eye against U.S. norms.

METHODS:

Assessment of 210 people, 130 with non-Sjogren's keratoconjunctivitis sicca (non-SS KCS), 32 with Sjogren's Syndrome (SS), and 48 control subjects. The study population data and published normative SF-36 data were compared. Dry eye severity was assessed by recruited severity (control, non-SS KCS, SS), patient self-report (none, very mild/mild, moderate, severe/extremely severe), and clinician-report (none, mild, moderate, severe). Age- and gender-matched norms were compared with all defined severity groups.

RESULTS:

Compared with the norms, control subjects scored higher on all SF-36 scales. Effect size (ES) ranged from 0.15 to 0.52. Non-SS KCS patients had lower Role-Physical (ES=-0.07), Bodily Pain (ES=-0.08), and Vitality (ES=-0.11) scores, indicating more dry eye impact on those areas versus the norm. All SF-36 scale scores except Mental Health (ES=0.12) were lower in the SS group than the adjusted norm (ES range: -0.16 to -0.99). Regardless of severity classification, mild patients consistently had lower Role-Physical and Bodily Pain scores than the norm, suggesting impact on daily roles (ES < 0.2). Patients with moderately severe disease also experienced less vitality and poorer general health. The group with severe disease scored lower than the norm across all domains (ES range: -0.14 to -0.91) except Role-Emotional (ES=0.13) and Mental Health (ES=0.23).

CONCLUSIONS:

These results indicate dry eye's negative impact on everyday life, particularly in daily activities. Further research using disease-specific measures to examine dry eye's impact is underway.

PMID:
15623753
DOI:
10.1167/iovs.03-0915
[Indexed for MEDLINE]

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