Vision restoration therapy does not benefit from costimulation: A pilot study

Kasten, Erich; Bunzenthal, Ulrike; Müller‐Oehring, Eva M.; Mueller, Iris; Sabel, Bernhard A.

doi:10.1080/13803390600878919

Cited by 19 publications

(13 citation statements)

References 41 publications

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“…However, the issue still remains how to manage damage to the visual brain and the best strategies to employ to promote recovery. One strategy in adults following visual cortical damage has been vision restoration therapy (NovaVision), a vision therapy that was developed and clinically tested based on long-term neuropsychological research carried out by the Institute of Medical Psychology of the Magdeburg University (Kasten et al 2007;Mueller et al 2007;Poggel et al 2008), and which purports to have improved vision (visual field increase) in 65% of treated subjects. However, the results of these studies have been disputed (Horton, 2005), and it is debatable whether the paradigm could be successfully employed in young children.…”

Section: Childhood Lesions Of the Visual Cortexmentioning

confidence: 99%

Unravelling the development of the visual cortex: implications for plasticity and repair

Bourne

2010

Journal of Anatomy

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The visual cortex comprises over 50 areas in the human, each with a specified role and distinct physiology, connectivity and cellular morphology. How these individual areas emerge during development still remains something of a mystery and, although much attention has been paid to the initial stages of the development of the visual cortex, especially its lamination, very little is known about the mechanisms responsible for the arealization and functional organization of this region of the brain. In recent years we have started to discover that it is the interplay of intrinsic (molecular) and extrinsic (afferent connections) cues that are responsible for the maturation of individual areas, and that there is a spatiotemporal sequence in the maturation of the primary visual cortex (striate cortex, V1) and the multiple extrastriate ⁄ association areas. Studies in both humans and non-human primates have started to highlight the specific neural underpinnings responsible for the maturation of the visual cortex, and how experience-dependent plasticity and perturbations to the visual system can impact upon its normal development. Furthermore, damage to specific nuclei of the visual cortex, such as the primary visual cortex (V1), is a common occurrence as a result of a stroke, neurotrauma, disease or hypoxia in both neonates and adults alike. However, the consequences of a focal injury differ between the immature and adult brain, with the immature brain demonstrating a higher level of functional resilience. With better techniques for examining specific molecular and connectional changes, we are now starting to uncover the mechanisms responsible for the increased neural plasticity that leads to significant recovery following injury during this early phase of life. Further advances in our understanding of postnatal development ⁄ maturation and plasticity observed during early life could offer new strategies to improve outcomes by recapitulating aspects of the developmental program in the adult brain.

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Section: Childhood Lesions Of the Visual Cortexmentioning

confidence: 99%

Unravelling the development of the visual cortex: implications for plasticity and repair

Bourne

2010

Journal of Anatomy

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“…Progress has been made in the development of treatments for a wide variety of visual deficits and losses that accompany TBI. Among the techniques currently used to address functional deficits related to various visual dysfunctions and losses are prisms [36], vision therapy [37][38][39][40], driving simulators [41][42], visuospatial training [43], and techniques to improve scanning and perception [39,44], as well as brain repair (plasticity), prostheses, and medications [44]. Techniques for addressing severe visual impairment are well documented throughout VA Blind Rehabilitation Services, and efforts are underway to adapt these to the polytrauma population both at local and national levels.…”

Section: Rehabilitative Carementioning

confidence: 99%

Eye and visual function in traumatic brain injury

Cockerham¹,

Goodrich²,

Weichel³

et al. 2009

JRRD

142

107

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Abstract-Combat blast is an important cause of traumatic brain injury (TBI) in the Department of Veterans Affairs polytrauma population, whereas common causes of TBI in the civilian sector include motor vehicle accidents and falls. Known visual consequences of civilian TBI include compromised visual acuity, visual fields, and oculomotor function. The visual consequences of TBI related to blast remain largely unknown. Blast injury may include open globe (eye) injury, which is usually detected and managed early in the rehabilitation journey. The incidence, locations, and types of ocular damage in eyes without open globe injury after exposure to powerful blast have not been systematically studied. Initial reports and preliminary data suggest that binocular function, visual fields, and other aspects of visual function may be impaired after blast-related TBI, despite relatively normal visual acuity. Damage to the ocular tissues may occur from blunt trauma without rupture or penetration (closed globe injury). Possible areas for research are development of common taxonomy and assessment tools across services, surgical management, and outcomes for blast-related eye injury; the incidence, locations, and natural history of closed globe injury; binocular and visual function impairment; quality of life in affected servicemembers; pharmacological and visual therapies; and practice patterns for screening, management, and rehabilitation.

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“…The primary outcome measure used for this review was functional ability in activities of daily living, with secondary outcome measures including extended activities of daily living, visual field, balance, falls, depression/anxiety, discharge destination, quality of life, visual scanning, adverse events, and death. The review was limited to randomized trials and studies included in Cochrane systematic reviews involving adult stroke patients, and a total of thirteen studies met the authors’ inclusion criteria (Roth et al., 2009; Bainbridge & Reding, 1994; Carter, Howard, & O'Neil, 1983; Jobke, Kasten, & Sabel, 2009; Kasten, Wüst, Behrens‐Baumann, & Sabel, 1998; Kasten, Bunzenthal, Müller‐Oehring, Mueller, & Sabel, 2007; Plow et al., 2010; Poggel, Kasten, & Sabel, 2004; Rossi, Kheyfets, & Reding, 1990; Spitzyna et al., 2007; Szlyk, Seiple, Stelmack, & McMahon, 2005; Weinberg et al., 1977, 1979). The Cochrane authors concluded there is some limited evidence to support the use of compensatory scanning therapy to improve scanning and reading outcomes in this patient group.…”

Section: Resultsmentioning

confidence: 99%

Adaptation to poststroke visual field loss: A systematic review

Howard

Rowe

2018

Brain and Behavior

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AimTo provide a systematic overview of the factors that influence how a person adapts to visual field loss following stroke.MethodA systematic review was undertaken (data search period 1861–2016) inclusive of systematic reviews, randomized controlled trials, controlled trials, cohort studies, observational studies, and case controlled studies. Studies including adult subjects with hemifield visual field loss, which occured as a direct consequence of stroke, were included. Search terms included a range of MESH terms as well as alternative terms relating to stroke, visual field loss, visual functions, visual perception, and adaptation. Articles were selected by two authors independently, and data were extracted by one author, being verified by the second. All included articles were assessed for risk of bias and quality using checklists appropriate to the study design.ResultsForty‐seven articles (2,900 participants) were included in the overall review, categorized into two sections. Section one included seventeen studies where the reviewers were able to identify a factor they considered as likely to be important for the process of adaptation to poststroke visual field loss. Section two included thirty studies detailing interventions for visual field loss that the reviewers deemed likely to have an influence on the adaptation process. There were no studies identified which specifically investigated and summarized the factors that influence how a person adapts to visual field loss following stroke.ConclusionThere is a substantial amount of evidence that patients can be supported to compensate and adapt to visual field loss following stroke using a range of strategies and methods. However, this systematic review highlights the fact that many unanswered questions in the area of adaptation to visual field loss remain. Further research is required on strategies and methods to improve adaptation to aid clinicians in supporting these patients along their rehabilitation journey.

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Vision restoration therapy does not benefit from costimulation: A pilot study

Cited by 19 publications

References 41 publications

Unravelling the development of the visual cortex: implications for plasticity and repair

Unravelling the development of the visual cortex: implications for plasticity and repair

Eye and visual function in traumatic brain injury

Adaptation to poststroke visual field loss: A systematic review

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