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Impact of Glaucoma and Visual Field Loss on Life Space

Primary Open-angle Glaucoma Clinical Trial

Official title:
Glaucoma, Visual Field Loss, and Their Association With Life Space in Older Adults

Clinical Trial Summary

Mobility refers to a person's purposeful movement through the environment from one place to another and can be conceptualized as a continuum from bed bound (immobility) on one extreme to making excursions to distant locations on the other extreme. Primary open-angle glaucoma (POAG) is a chronic, progressive optic neuropathy that can lead to gradual loss of vision in the peripheral field and central vision. Older adults with POAG have an increased risk for motor vehicle collisions and falls. Moreover, existing studies suggest that patients with POAG exhibit more postural sway while standing as measured by a balance platform and also tend to walk more slowly than those who are normally sighted and free of ocular disease. While these disturbances likely influence mobility, there has been little research directly assessing the impact of POAG on mobility. This study will assess the impact of POAG on life space (one aspect of mobility) and will determine whether difficulties with life space are associated with difficulties experienced under conditions of dim lighting.

Clinical Trial Description

Aim 1: To examine the extent of life space in older adults with POAG using the Life Space Questionnaire and to examine whether life space in persons with POAG is associated with the magnitude of visual field impairment. Aim 2: To examine difficulties seeing under dim illumination and at night in older adults with POAG using the Low Luminance Questionnaire and to examine whether greater difficulty in seeing under dim illumination and at night is related to the magnitude of visual field loss. Aim 3: To examine the relationship in older adults with POAG between visual problems seeing under dim illumination and at night (Low Luminance Questionnaire) and their life space (Life Space Questionnaire). ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03673644
Study type Observational
Source University of Alabama at Birmingham
Contact
Status Active, not recruiting
Phase
Start date October 9, 2018
Completion date May 30, 2024
View Details
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