Remaining Visual Field and Preserved Subjective Visual Functioning Prevent Mental Distress in Patients with Visual Field Defects
نویسندگان
چکیده
BACKGROUND Patients with visual field defects after visual pathway lesion may experience reduced vision-related quality of life (vrQoL). It has not been clarified how vrQoL impairments contribute to vision-related mental distress. METHODS One hundred and eight subjects with visual field defects caused by optic neuropathies (age M = 57.6; SD = 13.7 years) answered the National Eye Institute Visual-Functioning Questionnaire 39 (NEI-VFQ) for vrQoL and the SF-12 Short Form Health Survey for health-related quality of life. A 10 item composite of NEI-VFQ "visual functioning" and 5 items of "mental-health symptoms due to vision problems" were subjected to Rasch analysis. The test battery comprised static and High Resolution Perimetry (HRP). Regression and path analysis were used to investigate associations between QoL, mental distress, and perimetry results. RESULTS A higher level of "visual functioning" was associated with monocular impairment and a larger remaining visual field compared to binocular impairment. Subjective "visual functioning" but not visual field parameters predicted "mental-health symptoms due to vision problems" which was the only variable associated with the SF-12 mental component score. The SF-12 physical component score was less strongly associated with "mental-health symptoms due to vision problems." Here, reaction time in HRP and mean threshold in perimetry were additional significant variables. Path analysis revealed a significant path from remaining visual field via visual functioning on mental health. CONCLUSION Subjective consequences of visual impairments in everyday life impact mental health rather than "objective" visual function loss as measured by perimetry. Since a higher extent of vrQoL was related to lower levels of mental distress, the maintenance of vrQoL could reduce and prevent mental distress due to vision problems. Patients with persisting visual field defects may benefit from neuropsychological rehabilitation and supportive therapies.
منابع مشابه
Psychological distress is associated with vision-related but not with generic quality of life in patients with visual field defects after cerebral lesions
Considerably diminished quality of life (QoL) is observed in patients with visual field defects after lesions affecting the visual pathway. But little is known to what extent vision-and health-related QoL impairments are associated with psychological distress. In 24 patients with chronic visual field defects (mean age=56.17±12.36) the National Eye Institute-visual functioning questionnaire (NEI...
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