Prosthetic Vision Assessment

Schneck, Marilyn E.; Dagnelie, Gislin

doi:10.1007/978-1-4419-0754-7_20

Cited by 4 publications

(4 citation statements)

References 88 publications

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“…To address this, a thermal camera with a wider angle lens could be used, e.g., FLIR thermal imaging cameras with a 45˚field of view are currently available. Although larger than that of the thermal camera used in our study, their field of view is still 15˚less than a human's binocular vision, and 145˚less than a humans binocular and peripheral vision combined (Schneck & Dagnelie, 2011). In addition to a small viewing area, the ability of a thermal camera to detect warm objects within an environment is affected by a number of other factors such as air temperature, distance from the object and the presence of vegetation (Cilulko et al, 2013).…”

Section: Discussionmentioning

confidence: 87%

Testing the efficacy of a thermal camera as a search tool for locating wild bumble bee nests

Roberts

Osborne

2019

Journal of Apicultural Research

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Research into how bumble bee colonies respond to the stressors affecting their populations are currently studied in the laboratory using commercially reared Bombus terrestris colonies. Understanding how these stressors affect wild bumble bee colonies in the field would be a crucial step forward for the conservation of bumble bee species. Currently, visual cues are used to locate bumble bee nests, using human searchers looking for the worker nest traffic, but the limitations of this method mean that low numbers of nests are found and so a new method that looks to tackle these limitations is needed. Thermal cameras have been considered as a potential nest searching tool because they reduce the visual complexity of the environment by displaying a homogenized thermal landscape to the searcher. In this study, we compare the use of a thermal camera to human searches using two trials: (i) using inexperienced volunteers to search along the transect for a known bumble bee nest and (ii) using an experienced individual to search across a number of novel locations. We found thermal cameras are not a better nest detection technique than human searches, having low success rates across both trials. We discuss the limitations of thermal cameras as a technique and propose how the technology could be improved for future studies.

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Section: Discussionmentioning

confidence: 87%

Testing the efficacy of a thermal camera as a search tool for locating wild bumble bee nests

Roberts

Osborne

2019

Journal of Apicultural Research

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“…There is a need to develop methods for identifying and quantifying orientation abilities and providing immediate and sensitive assessment of the functional impact of regained vision. Acknowledging the difficulty to identify a list of items that can only be accomplished visually 17 , we can increase our understanding of the impact of an implant by choosing activities that can only be accomplished with vision in the context of orientation. Subject interviews are a valuable source of information.…”

Section: Research Agenda For Oandm In An Ultra-low Vision Populationmentioning

confidence: 99%

Orientation and Mobility Assessment in Retinal Prosthetic Clinical Trials

Geruschat¹,

Bittner

Dagnelie³

2012

Optometry and Vision Science

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“…Even while preparing for the clinical test stage, researchers should consider how to evaluate visual function and performance without and with the implant[21], and some groups have spent considerable time and effort developing evaluation methods[67,68]. Others are exploring ways to select the best implant recipients through OCT-based retinal analysis[69], assess patient expectations and personality traits[70], or develop a broad range of functional and psychological measures[71].…”

Section: Vilearning From Implanteesmentioning

confidence: 99%

“…Recent specific reviews with emphasis on engineering[10-13], basic science[14-16], and clinical[17-21] aspects have been published in special journal issues and in a volume highlighting new developments from the perspective of biomedical engineering, the major discipline that has contributed to this emerging field, has also appeared. This number and range of reviews is emblematic of the multiple disciplines contributing to the field of retinal implants, and of the interest among professionals in those fields.…”

Section: Iintroductionmentioning

confidence: 99%

Retinal implants

Dagnelie

2012

Current Opinion in Neurology

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Purpose of review To summarize the current status of retinal prostheses, recent accomplishments, and major remaining research, engineering, and rehabilitation challenges. Recent findings Retinal research, materials and biocompatibility studies, and clinical trials in patients blind from RP are representative of an emerging field with considerable promise and sobering challenges. A summary of progress in dozens of labs, companies, and clinics around the world is presented through a synopsis of relevant papers, not only to summarize the progress, but also to convey the remarkable increase in interest, effort, and outside funding this field has enjoyed. Summary At the present time, clinical applications of retinal implant technology are dominated by one or two groups/companies, but the field is wide open for others to take the lead through novel approaches in technology, tissue interfacing, information transfer paradigms, and rehabilitation. Where the field will go in the next few years is almost anybody’s guess, but that it will move forward is a certainty.

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Prosthetic Vision Assessment

Cited by 4 publications

References 88 publications

Testing the efficacy of a thermal camera as a search tool for locating wild bumble bee nests

Testing the efficacy of a thermal camera as a search tool for locating wild bumble bee nests

Orientation and Mobility Assessment in Retinal Prosthetic Clinical Trials

Retinal implants

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