Article ; Online: THE EFFECT OF PALPEBRAL FISSURE HEIGHT IN PRIMARY GAZE POSITION ON TEAR FILM STABILITY.
2024 Volume 62, Issue 2, Page(s) 283–290
Abstract: This study aimed to investigate the effect of palpebral fissure height in primary gaze position in healthy individuals on tear film stability. In this cross-sectional study, 120 subjects (60 male and female each) were enrolled and divided according to ... ...
Abstract | This study aimed to investigate the effect of palpebral fissure height in primary gaze position in healthy individuals on tear film stability. In this cross-sectional study, 120 subjects (60 male and female each) were enrolled and divided according to age into two groups, i.e., group 1 (aged 18-50 years) and group 2 (aged 51 and older). Palpebral fissure height on both eyes was measured in primary gaze position with a clear plastic ruler held in a central vertical position between the upper and lower lid margin, and the standard tear break-up time (TBUT) test was performed to evaluate tear film stability. Palpebral fissure height was significantly higher in younger than older subjects in all measurements on both eyes (p<0.001), and TBUT was shorter in older than in younger subjects. In all subjects included in the study, palpebral fissure height was not related to TBUT (p=0.589). However, analyzing the two age groups separately, a significant negative correlation was found between the palpebral fissure height and TBUT in both groups of younger (p<0.001) and older (p=0.009) subjects. In conclusion, an enlarged exposed ocular surface due to higher palpebral fissure height in healthy individual's primary gaze position negatively affects tear film stability expressed by TBUT. |
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MeSH term(s) | Humans ; Male ; Female ; Aged ; Cross-Sectional Studies ; Eyelids ; Tears ; Lacerations ; Face |
Language | English |
Publishing date | 2024-02-29 |
Publishing country | Croatia |
Document type | Journal Article |
ZDB-ID | 1478635-7 |
ISSN | 1333-9451 ; 0353-9466 |
ISSN (online) | 1333-9451 |
ISSN | 0353-9466 |
DOI | 10.20471/acc.2023.62.02.05 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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