Assessment of Homonymous Visual Loss and Its Impact on Visual Exploration, Activities of Daily Living (ADL) and Quality of Life (QoL)

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

60 participants

Study Classification

OBSERVATIONAL

Study Start Date

2011-06-30

Study Completion Date

2013-04-30

Brief Summary

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The purpose of this explorative study, targeting subjects with homonymous visual field loss, is threefold:

(i) to identify the perimetric / psychophysical method, that is most closely correlated with an individually assessed quality of life (QoL) score, using a validated questionnaire (NEI-VFQ 25) (ii) to determine, whether gaze-related (exploratory eye movements) or visual field-related (eyes steadily fixating) parameters are better for the characterization of the visual capacities that are necessary for activities of daily living (ADL), as represented by (iia) a standardized visual search task ("supermarket special offer search task") (iib) by an on-road car driving pilot study.

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Detailed Description

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Conditions

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Homonymous Hemianopia

Study Design

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Observational Model Type

CASE_CONTROL

Study Time Perspective

PROSPECTIVE

Study Groups

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Normal subjects

Age-related (+ 5 years of age) and gender-matched normal subjects.

No interventions assigned to this group

Patients with homonymous hemianopia

Patients with homonymous visual field defects

No interventions assigned to this group

Eligibility Criteria

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Inclusion Criteria

\- Patients with homonymous visual field defects Primary inclusion criterion: (Stable) homonymous visual field defects, as obtained by binocular semi-automated kinetic perimetry (SKP), using the III4e stimulus, within on onset of at least six months ago, due to a vascular or a traumatic lesion.

(ii) Ophthalmological: spherical ametropia max. ± 8 dpt, cylindrical ametropia max. ± 3 dpt, best corrected distant visual acuity \> 6/12 (= 0.5), isocoria, pupil diameter \> 3 mm, intraocular pressure ≤ 21 mmHg, normal anterior segments, no clinically relevant media opacities, normal appearance of the optic disc (cup to disc ratio = CDR ≤ 0.5, intraocular difference of CDR \< 0.3).

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes