Association of eye strain with dry eye and retinal thickness

PLOS ONE · 6 authors, 4 centres

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TL;DR

Key findings include significant associations for eye strain with short tear break-up time (OR 1.88), superficial punctate keratitis (OR 1.44), and thicker ganglion cell complex (GCC) (OR 1.30).

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Key findings include significant associations for eye strain with short tear break-up time (OR 1.88), superficial punctate keratitis (OR 1.44), and thicker ganglion cell complex (GCC) (OR 1.30). Blurred vision was associated with short TBUT (OR 1.85), SPK (OR 1.24), and thinner GCC (OR 0.59). Photophobia was linked to short TBUT (OR 1.77) and SPK (OR 1.32). Female gender was a significant risk factor for all symptoms. The study suggests these objective measures could aid clinical reasoning. Limitations include the absence of functional visual acuity tests and the clinic-based selection bias.

STUDY TYPE

cohort

SPECIALTY

ophthalmology

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ORIGINAL PAPER

PMC10588844

Association of eye strain with dry eye and retinal thickness

PLOS ONE

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ABSTRACT

Abstract Purpose The purpose of this cohort study was to investigate the association between the prevalence of abnormal ocular examination results and the common visual symptoms of eye strain, blurred vision and photophobia. Methods Consecutive first-visit outpatients with best-corrected visual acuity better than 20/30 in both eyes were enrolled and those with a history of intra-ocular lens implantation and glaucoma were excluded. Dry eye-related examinations and retinal thickness measurement were conducted. The odds ratio (OR) was calculated with logistic regression analyses of ocular data in relation to the presence of visual symptoms. Results A total of 6078 patients (3920 women, mean age 49.0 ± 20.4 years) were analyzed. The prevalence of each symptom was 31.8% for eye strain, 22.5% for blurred vision and 16.0% for photophobia. A significant risk factor for eye strain was short tear break-up time (TBUT) (OR 1.88), superficial punctate keratitis (SPK) (OR 1.44), and thickness of ganglion cell complex (GCC) (OR 1.30). Risk factors for blurred vision were short TBUT (OR 1.85), SPK (OR 1.24) and GCC (OR 0.59). Risk factors for photophobia were short TBUT (OR 1.77) and SPK (OR 1.32). Schirmer test value, peripapillary nerve fiber layer thickness and full macular thickness were not associated with the tested symptoms. Conclusion The current study successfully identified female gender, short TBUT, and SPK as significant risk factors for eye strain, blurred vision, and photophobia with considerable ORs.

CITATION EXPORT

Masahiko Ayaki, Manami Kuze, Kazuno Negishi et al.. Association of eye strain with dry eye and retinal thickness. PLOS ONE. (2023). https://doi.org/10.1371/journal.pone.0293320

AUTHORS

6 · 4 CENTRES

Masahiko Ayaki, Manami Kuze, Kazuno Negishi, Kofi Asiedu, Kofi Asiedu, Kofi Asiedu

1Department of Ophthalmology, Keio University School of Medicine, Tokyo, Japan
2Otake Eye Clinic, Kanagawa, Japan
3Matsusaka General Hospital, Mie, Japan
4University of New South Wales, AUSTRALIA