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Type presentatieE-poster
TitelAssociation Between Interpupillary Distance and Axial Length in a Glaucomatous Cohort
DoelGiven that myopia is associated with optic nerve head remodeling, namely optic disc ovality and gamma peripapillary atrophy (γPPA), and considering that interpupillary distance (IPD) influences vergence mechanisms during near work, we aimed to explore whether IPD could be related to these myopic peripapillary changes. Specifically, we sought to determine whether IPD is associated with the ovality index (OI) or γPPA width, and to investigate its relationship with axial length (AL).
MethodesIn this monocentric cross-sectional study, 100 eyes from 100 adults (mean age 62.6 ± 13.7 years) were analyzed. AL, refractive error, and IPD were recorded. OI and γPPA width were measured using spectral-domain OCT. Pearson correlations and multivariable regressions were performed, adjusting for age, gender, and myopia status.
ResultatenIPD was not correlated with OI (r = 0.001, p = 0.989) or γPPA (r = −0.028, p = 0.782). IPD showed a significant positive correlation with AL (r = 0.256, p = 0.011), indicating that wider IPD was associated with longer eyeball length. This trend weakened after adjustment (p = 0.059) but suggests a possible link between craniofacial and ocular growth. As expected, AL was strongly correlated with both lower OI and wider γPPA (p < 0.001).
ConclusieThese findings highlight a previously unknown association between IPD and AL, supporting the hypothesis of shared developmental mechanisms between craniofacial anatomy and ocular elongation. While IPD does not directly affect OI or γPPA, axial elongation remains the principal driver of myopic optic nerve head remodeling. These results warrant further confirmation.
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Details verstrengelde belangen/
Auteurs 1
InitialenA
NaamEhongo
Instituut1: HUB, 2:CUSL
Stad1: Brussels 2: Brussels
Auteurs 2
InitialenS
NaamButt
InstituutHUB
StadBrussels
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