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Glaucoma: Overview

Glaucoma: Overview

Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...

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Association Analysis between Cognitive Function Score and Inner Macular Thickness/Visual Field Sensitivity in

Soichiro Shimomine¹, Suguru Kubota¹, Yoichi Kadoh¹

¹Department of Ophthalmology, Shimane University Faculty of Medicine, Izumo 693-8501, Japan.

Journal of Clinical Medicine

|September 14, 2024

Summary

Glaucoma patients with lower cognitive function, assessed by the Mini-Cog test, show more advanced inner macular thinning and visual field defects. This suggests a link between cognitive impairment and glaucoma progression.

Keywords:

Mini-Cog OCT VF reliability cognitive impairment glaucoma visual field

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Area of Science:

Ophthalmology
Neurology
Gerontology

Background:

Previous studies explored cognitive impairment, OCT, VF, and reliability in smaller samples.
This study specifically examined Mini-Cog scores against inner macular thickness (IMT) and VF sensitivity in glaucoma.

Purpose of the Study:

To analyze the association between cognitive function (Mini-Cog) and ocular parameters in glaucoma patients.
To investigate if impaired cognition correlates with glaucoma severity markers.

Main Methods:

Retrospective analysis of 984 glaucoma patients (1897 eyes).
Collected data on age, sex, IOP, and Mini-Cog scores; 9% had abnormal scores.
Used mixed-effects models to assess Mini-Cog scores against IMT, PF-IMT, MD, PSD, FL, FN, and FP.

Main Results:

Abnormal Mini-Cog scores correlated with thinner IMT and PF-IMT.
Lower cognitive function was linked to worse mean deviation (MD) and higher false negative (FN) and false positive (FP) rates.
No significant association was found with pattern standard deviation (PSD) or fixation losses (FL).

Conclusions:

Glaucoma patients with poorer cognitive function exhibit more severe glaucoma-related changes.
Findings suggest a correlation between cognitive decline and advanced glaucoma.
Further longitudinal research is recommended to elucidate the glaucoma-cognitive impairment relationship.