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Clinical Vision Science

Investigating Visual and Ocular Anomalies

kid wearing eye patch Some of the many diseases and anomalies of the eye and visual system are developmental abnormalities that occur in childhood (e.g. amblyopia and dyslexia), whereas others are acquired later in life (e.g. cataract and glaucoma). Research into these and other conditions are undertaken by the Clinical Vision Science Group.

Many members of staff include projects in this area of research as part of their research profile with new topics arising all the time. This page is intended to provide a sample of projects recently completed or currently underway.

Amblyopia

Amblyopia is a developmental disorder of vision in which there is reduced visual function despite full optical correction and the absence of pathology.

Our work in amblyopia has the following aims:

  • To understanding the precise nature of the amblyopic visual deficit
  • To investigate whether subtle structural abnormalities of the eye contribute to the visual deficit in amblyopia
  • To understand the impact of amblyopia on everyday visual function and quality of life measures

Dyslexia and Binocular Vision

Dyslexia is a neurological disorder in which there are specific difficulties with word recognition, reading and often short-term memory. Associated anomalies of binocular motor co-ordination contribute to visual problems.

Our work with dyslexics is aimed at:

  • Improving methods for assessment and treatment of binocular motor anomalies.
  • Improving our understanding of the characteristics and causes of binocular problems in dyslexia.
  • Investigating the associations between binocular motor anomalies and deficits in visual short-term memory and attention.
Scanning laser polarimetry image Scanning laser polarimetry image

Glaucoma

Glaucoma is a group of progressive diseases, with a poorly understood pathophysiology that results in damage to the optic nerve. Our work in glaucoma is primarily aimed at investigating the pathophysiology and improving early detection by:

  • Developing tests of visual function for early detection e.g. using the Hermann Grid Illusion
  • Attempting to identify nerve cells that are unwell rather than dead and thus also amenable to recovery with appropriate treatment
  • Combining the use of 3D imaging technology such as scanning laser ophthalmoscopy and retinal nerve fibre layer analysis together with conventional techniques

Psychosocial Aspects

The diagnosis and management of visual anomalies, have psychosocial effects on patients which are of interest to our research group.

Studies include:

  • Measuring quality-of-life changes due to amblyopia, strabismus, cataract and cataract surgery.
  • Investigation of the effect of referral on patient anxiety.

Funding

Our research is funded by the Department of Health, the College of Optometrists, and by various charities. We also undertake contract research and consultancy.

Investigators

If you would like to know more about a particular research topic, please contact one the members of staff involved: