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Funded PhD Opportunity

Determining more appropriate visual function predictors of driving performance: can we do better than current visual standards?

Subject: Biomedical Sciences


Summary

The task of driving requires appropriate visual, motor and cognitive skills to effectively operate a vehicle. Over 40 million people in the UK have a driving licence. In the UK, the visual requirements for driving have been largely unchanged since their introduction and are still based on individuals reading a vehicle number plate. This has an approximate correlation to more clinical visual measures, but is far from a robust assessment of vision. However, the DfT like the self-testing aspect of this test, and argue that this is a pragmatic choice given the lack of evidence to demonstrate a compelling reason to update this. Despite the task of driving unarguably requiring input from the visual system, there remains a significant knowledge gap in what tests provide an appropriate assessment for adequate vision, and what level of vision is ‘safe’.

One of the reasons for lack of evidence is that it is difficult to tease apart the ‘real-world’ task of driving, and the visual factors that may influence safe driving.  Studies have shown that visual acuity alone is not a good predictor of driving performance. This is perhaps not surprising as visual acuity, while a measure of the resolution ability of the eye (i.e. visual detail), is not a holistic measure of visual function. Several studies have shown that contrast sensitivity (CS) measures correlate better with visual performance.  However, visual fields and visual attention will also have a strong influence on driving performance, as will the lighting conditions visual functions are measured in.

To gain a driving licence, a hazard perception test has been introduced as a means to probe visual response times, but once a licence is obtained, there are no requirements to test this again for UK drivers. Dark adaptation is known to slow down with age, thus abrupt changes in light intensity, like that which occurs with car headlights in low lighting conditions, take increasingly longer to adapt from. The UK, at northerly latitude, has many hours of night driving for individuals in the winter months.

Recent research has highlighted the potential value of mesopic (low light level) visual function tests in determining night driving performance. In summary, as we age, our contrast sensitivity reduces, visual attention and response times diminish, and dark adaptation rates slow down.  These factors, coupled with the increased risk of ocular disease with age, such as cataracts, glaucoma and macular degeneration, mean that older drivers may have a more compromised visual ability for driving.

This exciting PhD study will investigate the potential for clinically available measures to better determine visual function and develop normative data for older adult drivers. Three aspects will be investigated:

(i)contrast sensitivity in photopic and mesopic conditions, using Pelli-Robson and low contrast acuity tests, compared to the Mesotest II.

(ii)visual attention using an eye tracking system with capability to simulate visual compromise in terms of reduced visual fields and acuity, while conducting a hazard perception test.

(iii)correlation between dark adaptation and individual perceptions and difficulties with night driving.


Essential criteria

  • To hold, or expect to achieve by 15 August, an Upper Second Class Honours (2:1) Degree or equivalent from a UK institution (or overseas award deemed to be equivalent via UK NARIC) in a related or cognate field.
  • Sound understanding of subject area as evidenced by a comprehensive research proposal

Desirable Criteria

If the University receives a large number of applicants for the project, the following desirable criteria may be applied to shortlist applicants for interview.

  • First Class Honours (1st) Degree
  • Masters at 65%
  • Research project completion within taught Masters degree or MRES
  • Practice-based research experience and/or dissemination
  • Experience using research methods or other approaches relevant to the subject domain
  • Work experience relevant to the proposed project
  • Publications - peer-reviewed
  • Experience of presentation of research findings
  • A comprehensive and articulate personal statement
  • Relevant professional qualification and/or a Degree in a Health or Health related area

Funding

    The University offers the following awards to support PhD study and applications are invited from UK, EU and overseas for the following levels of support:

    Vice Chancellors Research Studentship (VCRS)

    Full award (full-time PhD fees + DfE level of maintenance grant + RTSG for 3 years).

    This scholarship will cover full-time PhD tuition fees and provide the recipient with £15,000 maintenance grant per annum for three years (subject to satisfactory academic performance). This scholarship also comes with £900 per annum for three years as a research training support grant (RTSG) allocation to help support the PhD researcher.

    Vice-Chancellor’s Research Bursary (VCRB)

    Part award (full-time PhD fees + 50% DfE level of maintenance grant + RTSG for 3 years).

    This scholarship will cover full-time PhD tuition fees and provide the recipient with £7,500 maintenance grant per annum for three years (subject to satisfactory academic performance). This scholarship also comes with £900 per annum for three years as a research training support grant (RTSG) allocation to help support the PhD researcher.

    Vice-Chancellor’s Research Fees Bursary (VCRFB)

    Fees only award (PhD fees + RTSG for 3 years).

    This scholarship will cover full-time PhD tuition fees for three years (subject to satisfactory academic performance). This scholarship also comes with £900 per annum for three years as a research training support grant (RTSG) allocation to help support the PhD researcher.

    Department for the Economy (DFE)

    The scholarship will cover tuition fees at the Home rate and a maintenance allowance of £ 15,009 per annum for three years. EU applicants will only be eligible for the fee’s component of the studentship (no maintenance award is provided). For Non-EU nationals the candidate must be "settled" in the UK. This scholarship also comes with £900 per annum for three years as a research training support grant (RTSG) allocation to help support the PhD researcher.

    Due consideration should be given to financing your studies; for further information on cost of living etc. please refer to: www.ulster.ac.uk/doctoralcollege/postgraduate-research/fees-and-funding/financing-your-studies


Other information


The Doctoral College at Ulster University


Reviews

Profile picture of Kieran O'Donnell

My experience has been great and the people that I have worked with have been amazing

Kieran O'Donnell - 3D printing of biological cells for tissue engineering applications

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Profile picture of Michelle Clements Clements

Completing the MRes provided me with a lot of different skills, particularly in research methods and lab skills.

Michelle Clements Clements - MRes - Life and Health Sciences

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Profile picture of William Crowe

Throughout my PhD I’ve been provided with continuous support and guidance by my supervisors and the staff at the University.I’ve also received many opportunities to further enhance my professional development in the form of teaching experience and presenting my work at conferences which will aid in my pursuit of a career in academia or industry.

William Crowe


Key dates

Submission deadline
Monday 18 February 2019

Interview Date
Weeks commencing 11, 18, 25 March 2019


Applying

Apply Online  


Campus

Coleraine campus

Coleraine campus
The feeling of community at our Coleraine campus makes for a warm and welcoming student experience.


Contact supervisor

Professor Roger Anderson


Other supervisors

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