Visual Impairment in the City: Young People’s Social Strategies for Independent Mobility

Worth, Nancy

doi:10.1177/0042098012468898

Cited by 57 publications

(27 citation statements)

References 46 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Note that ⊥ correctly reduces to zero as the step-height (S H ) or the baseline distance (r) goes to zero. Equation (4) suggests that ⊥ depends strongly on ϴ Laser . We would therefore expect human performance to exhibit a correlating dependence on ϴ Laser .…”

Section: Derive Expressions For P 1 P 3 and P 4 In Worldmentioning

confidence: 99%

Structured Laser Light Improves Tripping Hazard Recognition for People with Visual Impairments

Stahl

Peli

2020

Trans. Vis. Sci. Tech.

View full text Add to dashboard Cite

Using a geometrically derived model and a virtual curb simulator, we quantify the degree to which a wearable device that projects a laser line onto tripping hazards in a pedestrian's path improves visual recognition for people with visual impairments (VI). We confirm this with subjects' performance on computer simulations of low contrast curbs. Methods: We derive geometric expressions quantifying the visual cue users perceive when a single laser line is projected from their hip onto a curb. We show how the efficacy of this cue changes with the angle of the laser line relative to the subject's walking trajectory. We confirm this result with data from three subjects with VI in a simulated curb recognition task in which subjects classified computer images as an "Ascending," "Flat," or "Descending" curb. Results: The derived model predicts that human recognition performance depends strongly on the laser line angle and the subject data confirms this (r 2 = 0.86, P < 0.001). The laser line cue improved subject accuracy from a chance level of 33% to 95% for a simulated, one-inch, low-contrast curb at a distance of five feet. Conclusions: Recognition of curbs in low light can be improved by augmenting the scene with a single laser line projected from a user's hip, if the angle of laser line is appropriately selected. Translational Relevance: A majority of people with VI rely on their impaired residual vision for mobility, rather than a mobility aid, resulting in increased injury for this population. Enhancing residual vision could promote safety, increase independence, and reduce medical costs.

show abstract

Section: Derive Expressions For P 1 P 3 and P 4 In Worldmentioning

confidence: 99%

Structured Laser Light Improves Tripping Hazard Recognition for People with Visual Impairments

Stahl

Peli

2020

Trans. Vis. Sci. Tech.

View full text Add to dashboard Cite

show abstract

“…Similarly, everyday mobilities are implicitly explored by Worth (2013b), who examined the more mundane ways in which visually impaired young people move around in and use the city. This study emphasizes that their experiences are marked by ableism more than concrete barriers.…”

Section: Public Spacesmentioning

confidence: 99%

Geographies of Young Disabled People

Holt¹

2016

Identities and Subjectivities

View full text Add to dashboard Cite

“…Jinakost (Beauvoir [1949]1967) či znevýhodnění (Oliver 1990) osob se zrakovým postižením nejsou (re)produkovány pouze v kaž-dodenním praktikování pozornosti, lítosti, nevraživosti, opovržení, oslovování, uhýbání či pomáhání (Oliver 1990;Shakespeare 1994;R. Butler 1998;Goffman [1959Goffman [ ] 1999[1963Worth 2013), ale také pomocí praktik oddělo-vání "jiných" prostorů od prostoru "normálního". Zatímco "my" je lokalizováno tady, "oni" je spojeno s "někde jinde" (Gupta, Ferguson 1992: 14).…”

Section: S T a T I / A R T I C L E Sunclassified

Experience without Sight: The Opportunity for Reflection of Normative Space

Osman¹,

Pospíšilová²

2016

GV/GR

View full text Add to dashboard Cite

The paper questions the dominant representation of space (normative space) and its visuality in the case of spatial experience without sight. While the relationships between individuals and spaces are differentiated, normative space (re)produces the conception of one depersonalised and thus disembodied space and denies alternative conceptions of spaces. The aim of the paper is to present the process of independent experiencing of new spaces by visually impaired people. This experience is interpreted in the context of two theories: Lefebvre's production of space and Butler's theory of performativity. Our results are based on interviews with 16 visually impaired people and 2 people with knowledge about visual impairment from their profession. The interview partners learn two sets of spatial information: 'information for communication with others' and 'information necessary for spatial mobility'. While the first set of information is required to become part of the visual world and reveal the performative (re)production of the visuality of space, the second set of information is connected to non-visual experience and thus makes it possible to look beyond the normative space, to see visuality as a norm, and to start to reflect on the political connotation of spatial conceptions.

show abstract

Visual Impairment in the City: Young People’s Social Strategies for Independent Mobility

Cited by 57 publications

References 46 publications

Structured Laser Light Improves Tripping Hazard Recognition for People with Visual Impairments

Structured Laser Light Improves Tripping Hazard Recognition for People with Visual Impairments

Geographies of Young Disabled People

Experience without Sight: The Opportunity for Reflection of Normative Space

Contact Info

Product

Resources

About