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Scotoma clinical trials

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NCT ID: NCT04786886 Completed - Clinical trials for Visual Field Defect, Peripheral

Patient Performance and Acceptance of Virtual Reality Visual Field Devices

Start date: November 4, 2019
Phase: N/A
Study type: Interventional

The purpose of this research is to study the effectiveness and patient experience when measuring visual fields using virtual reality goggles.

NCT ID: NCT02457884 Completed - Clinical trials for Diabetic Macular Oedema

Effectiveness of Training in Reading Rehabilitation for Patients With Diabetic Macular Oedema

Start date: May 2015
Phase: N/A
Study type: Interventional

Diabetic macular oedema (DMO) is a sight-threatening problem for diabetic patient who has swelling in macula. Patients with DMO can receive laser treatment and achieve good acuity finally. However, some patients still have difficulties in reading even after proper treatment. In this project, the investigators aimed to explore the effectiveness of different training paradigms in improving reading performance in patients with DMO.

NCT ID: NCT01691027 Completed - Clinical trials for Central Visual Impairment

Visuomotor Rehabilitation Training for Manual Task Deficits From Macular Scotomas

VRT
Start date: July 2013
Phase: N/A
Study type: Interventional

The research is aimed at developing and testing a new method of visual-motor rehabilitation of Veterans with macular degeneration by using inexpensive "tablet" computers at home.

NCT ID: NCT01418820 Completed - Stroke Clinical Trials

Paraorbital-Occipital Alternating Current Stimulation Therapy of Patients With Post-Chiasmatic Lesions

Start date: March 2011
Phase: Phase 2
Study type: Interventional

Visual field areas, which are not absolutely blind, are hypothesized to have some residual capacities that constitute their potential for vision restoration. Vision restoration can be achieved by varies methods including behavioral training and electrical brain stimulation such as transcranial direct current stimulation (tDCS) and repetitive transorbital alternating current stimulation (rtACS) which are able to influence the excitability and activity of cortical areas. It is hypothesized that transorbital alternating current stimulation (tACS) can improve the residual field of vision in patients with post-chiasmatic lesions.

NCT ID: NCT00921427 Completed - Hemianopia Clinical Trials

The Use of Transcranial Direct Current Stimulation (TDCS) to Enhance the Rehabilitative Effect of Vision Restoration Therapy

Start date: November 2007
Phase: Phase 0
Study type: Interventional

The purpose of our study is to explore the efficacy of combination of brain stimulation with visual rehabilitation in patients with visual field loss resulting from brain lesions. It is shown that the effect of sensorimotor training of hand can be enhanced in patients with stroke using brain stimulation. We decided to explore this combination for visual field loss because visual dysfunction following brain lesions is considered intractable. We hypothesize that combination of noninvasive brain stimulation, in the form of transcranial direct current stimulation (tDCS), with visual rehabilitation would have greater efficacy than visual rehabilitation alone.