• Publications
  • Influence
What is low vision? A re-evaluation of definitions.
PURPOSE To re-evaluate definitions of low vision, visual impairment, and disability. METHODS We review current definitions of legal blindness and low vision and how these definitions are variablyExpand
  • 88
  • 6
Crowding in central and eccentric vision: the effects of contour interaction and attention.
  • S. Leat, W. Li, K. Epp
  • Biology, Medicine
  • Investigative ophthalmology & visual science
  • 1 February 1999
PURPOSE To quantify the crowding effect with eccentric stimuli and to determine the relative contribution of neural interaction and attention to crowding in central and eccentric vision. METHODSExpand
  • 95
  • 6
  • PDF
Reduced accommodation in children with Down syndrome.
PURPOSE To examine the accommodative accuracy and amplitude in children with Down syndrome. Accommodation is usually assumed to be good in children and is rarely measured. METHODS A dynamicExpand
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Outcome of Low Vision Aid Provision: The Effectiveness of a Low Vision Clinic
Purpose. Although there is an increasing need for primary low vision (LV) care, few studies have considered the success rates of optometric LV rehabilitation. We considered the objective success andExpand
  • 93
  • 5
To prescribe or not to prescribe? Guidelines for spectacle prescribing in infants and children
  • S. Leat
  • Medicine
  • Clinical & experimental optometry
  • 1 November 2011
This paper discusses the considerations for prescribing a refractive correction in infants and children up to and including school age, with reference to the current literature. The focus is onExpand
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Accommodation responses and refractive error.
Previous investigations have reported considerable individual differences in the resting point of accommodation. Recent independent studies in Davis, Calif., and Cardiff, Wales, indicate that part ofExpand
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Accommodative response in children and young adults using dynamic retinoscopy
  • S. Leat, J. L. Gargon
  • Medicine
  • Ophthalmic & physiological optics : the journal…
  • 1 September 1996
Accommodation in children and non‐verbal adults can be difficult to assess using standard subjective techniques and hence is often not evaluated. By using a modification of Nott dynamic retinoscopy,Expand
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Generic and customised digital image enhancement filters for the visually impaired
This study compares the effectiveness of various image enhancement filters for improving the perceived visibility of coloured digital natural images for people with visual impairment. Generic filtersExpand
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Reduced accommodation in children with cerebral palsy.
  • S. Leat
  • Medicine
  • Ophthalmic & physiological optics : the journal…
  • 1996
Accommodation in 43 subjects with cerebral palsy was measured objectively using a dynamic retinoscopy technique, which has already been shown to be reliable and repeatable. The subject's ages rangedExpand
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