Dr Keziah Latham

Acting Head of Department, Vision and Hearing Sciences

Visual Function and Physiology Research Group

Faculty:Faculty of Science and Engineering

School:Department of Vision and Hearing Sciences

Location: Cambridge

Areas of Expertise: Health, social care and medical innovation

Keziah is a practising optometrist specialising in visual assessment of people with impaired vision. She runs the Low Vision Clinic in our University Eye Clinic.

Read Keziah's blog
Find Keziah on ResearchGate


Keziah’s principal teaching, research and clinical interests are in low vision. She runs the low vision clinic within the University Eye Clinic, and teaches the topic to optometry and dispensing optics students. Keziah was the 2017 recipient of the Neil Charman medal for excellence in optometric research from the College of Optometrists for her research work in low vision.

Keziah also specialises in ophthalmic lenses and dispensing, and is an author of an undergraduate text book on this subject (CW Fowler & K Latham Petre. Spectacle Lenses: Theory & Practice. Butterworth-Heinemann, 2001). She has a clinical interest in glaucoma, and is an OSI (Optometrist with Special Interest) in glaucoma within Hinchingbrooke Hospital's CHANGES scheme. Keziah is also the Faculty lead for Athena SWAN [link to Athena Swan page].

Appointments for the Low Vision Clinic can be made by contacting the University Eye Clinic on 0845 196 2070.

Research interests

  • The assessment of function and optimization of rehabilitation for people with visual impairment. 'Assessment of function' covers a range of areas including the most effective ways to assess clinical visual function, objective assessment of activities of daily living (including reading tasks and movement analysis), and the development and use of patient reported outcome measures (including the use of Rasch analysis) for the assessment of visual difficulties and of quality of life
  • More generally, research interests are in the visual function of other groups such as people with autism spectrum conditions (ASC), drivers, and peripheral vision
  • Keziah is a member of our Visual Function and Physiology Research Group

Areas of research supervision

  • Rehabilitation needs of visually impaired people over time: Jane Macnaughton, sponsored by the College of Optometrists.
  • Functional visual field assessment in low vision: Hikmat Subhi, supported by the College of Optometrists
  • The effect of Retinitis Pigmentosa on activities of daily living: Ahoora Baranian
  • Visual acuity of drivers: Maria Foteini Katsou, MPhil awarded 2014
  • Factors influencing self-reported vision in the visually impaired: Daryl Tabrett, PhD awarded 2011. Supported by the College of Optometrists and awarded the George Giles Prize for excellence in optometric postgraduate research


BOptom (Hons) Optometry, BSc (Hons) Ophthalmic Dispensing


  • BSc Ophthalmic Optics, Aston University
  • Phd 'Psychophysical investigations of human peripheral vision', Aston University
  • Professional Certificate in Low Vision
  • PGCert(HE)
  • MCOptom
  • FCOptom

Memberships, editorial boards

  • Member, the Higher Education Academy
  • College of Optometrists
  • General Optical Council
  • Association of Optometrists

Selected recent publications

Subhi H, Latham K, Myint J, Crossland MD. Functional visual fields: A cross-sectional UK study to determine which visual field paradigms best reflect difficulty with mobility function. BMJ Open 2017;7:e018831. doi: 10.1136/bmjopen-2017-018831

Timmis MA, Allsop J, Baranian M, Baker J, Basevitch I, Latham K, Pardhan S, van Paridon K. Visual search behaviour among individuals with Retinitis Pigmentosa during level walking and obstacle crossing. Investigative Ophthalmology and Visual Science, 2017, 58: 4737-4746. doi:10.1167/iovs.17-21573

Subhi H, Latham K, Crossland M, Myint J. Functional Visual Fields: Relationship of Central and Peripheral Field to Self-Reported Function. Ophthalmic and Physiological Optics, 2017, 37: 399-408. doi: 10.11111/opo12362.

Latham K, Baranian M, Timmis MA, Fisher A, Pardhan S. Relative Difficulties of Daily Living Tasks with Retinitis Pigmentosa. Optometry & Vision Science, 2017, doi: 10.1097/OPX.0000000000001046.

Smith L, Timmis MA, Pardhan S, Latham K, Johnstone J, Hamer M. Physical inactivity in relation to self-rated eyesight: cross-sectional analysis from the English Longitudinal Study of Ageing. BMJ Open Ophthalmology, 3 Jan 2017, DOI: 10.1136/bmjophth-2016-000046.

Allen P, Latham K, Mann DL, Ravensburgen RHJC, Myint J. The Level of Vision Necessary for Competitive Performance in Rifle Shooting: Setting the Standards for Paralympic Shooting with Vision Impairment. Frontiers in Psychology, 8 Nov 2016, http://dx.doi.org/10.3389/fpsyg.2016.01731.

Goodman-Deane J, Waller S, Latham K, Price H, Tenneti R, Clarkson J. Differences in Vision Performance in Different Scenarios and Implications for Design. Applied Ergonomics, 55: 149-155, 2016. doi:10.1016/j.apergo.2016.02.001

Myint J, Latham K, Mann D, Gomersall P, Wilkins AJ, Allen PM. The relationship between visual function and performance in rifle shooting for athletes with vision impairment. BMJ Open Sport & Exercise Medicine, 2016; 2:e000080. doi:10.1136/bmjsem-2015-000080

Latham K, Baranian M, Timmis M, Pardhan S. Emotional Health of People with Visual Impairment Caused by Retinitis Pigmentosa. PLOS ONE, 2015. DOI: 10.1371/journal.pone.0145866.

Latham K, Rae S. Visual acuity standards for driving. Optometry in Practice, 16:123-130, 2015. Link to paper.

Pardhan S, Latham K, Tabrett DR, Timmis M. Objective analysis of performance of Activities of Daily Living in people with central field loss. Investigative Ophthalmology and Visual Science, 56: 7169-7178, 2015. DOI:10.1167/iovs.15-16556.

Rae S, Latham K, Katsou MF. Meeting the UK driving vision standards with reduced contrast sensitivity. Eye, 2015. DOI: 10.1038/eye.2015.188.

Latham K, Baranian M, Timmis M, Pardhan S. Difficulties with goals of the Dutch ICF Activity Inventory: perceptions of those with Retinitis Pigmentosa and of those who support them. Investigative Ophthalmology and Visual Science, 56: 2381-2391, 2015. DOI:10.1167/iovs.14-16237.

Rae S, Latham K, Katsou MF. Distance word acuity, critical print size and driving vision standards. Clinical and Experimental Optometry, 98: 459-463, 2015. DOI:10.1111/cxo.12292.

Latham, K., Katsou M.F. and Rae, S., 2014. Advising patients on visual fitness to drive: implications of revised DVLA regulations. British Journal of Ophthalmology, DOI: 10.1136/bjophthalmol-2014-306173.

Timmis, M., Turner, K. and Latham, K., 2014. The effect of trial frames on adaptive gait. Gait and Posture, http://dx.doi.org/10.1016/j.gaitpost.2014.10.021.

Latham, K., 2013. Evaluation of an emotional support service for the visually impaired. Optometry and Vision Science, 90, pp.836-842.

Latham, K., Chung, S.T.L., Allen, P.M., Tavassoli, T. and Baron-Cohen, S., 2013. Spatial localisation in autism: evidence for differences in early cortical visual processing. Molecular Autism, 4, p.4. 

Allen, P.M., Radhakrishnan, H., Price, H., Rae, S., Theagarayan, B., Calver, R.I., Sailoganathan, A., Latham, K. and O'Leary, D.J., 2013. A randomised clinical trial to assess the effect of a dual treatment on myopia progression: The Cambridge Anti-Myopia Study. Ophthalmic and Physiological Optics, 33, pp.267-276.

Tabrett, D.R. and Latham, K., 2012. Adjustment to vision loss in a mixed sample of adults with established visual impairment. Investigative Ophthalmology and Visual Science, 53, pp.7227-7234.

Latham, K. and Tabrett, D.R., 2012. Guidelines for predicting performance with low vision aids. Optometry and Vision Science, 89, pp.1316-1326.

Tabrett, D.R. and Latham, K., 2012. Important areas of the central binocular visual field for daily functioning in the visually impaired. Ophthalmic and Physiological Optics, 32, pp.156-163.

Tavassoli, T., Latham, K., Bach, M., Dakin, S.C. and Baron-Cohen, S., 2011. Psychophysical Measures of Visual Acuity in Autism Spectrum Conditions. Vision Research, 51, pp.1778-1780.

Tabrett, D.R. and Latham, K., 2011. Factors influencing self-reported vision-related activity limitation in the visually impaired. Investigative Ophthalmology and Visual Science, 52, pp.5293-5302.

Latham, K., Waller, S. and Schaitel, J., 2011. Do best practice guidelines improve the legibility of pharmacy labels for the visually impaired? Ophthalmic and Physiological Optics, 31, pp.275-282.

Tabrett, D.R. and Latham, K., 2010. Derivation of the Acceptance and Self-Worth Adjustment Scale. Optometry and Vision Science, 87, pp.899-907.

Latham, K. and Usherwood, C., 2010. Assessing visual activities of daily living in the visually impaired. Ophthal Physiol Opt, 30, pp.55-65.