The objective of the research is to provide the clinician with a simple system for making quantitative measurements that is comparable to the services of a skilled orthoptist. As many optometrists do not possess the necessary equipment for making such assessments, this technolog…
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Understanding the biomechanical properties of the cornea is important in order to develop and improve new reliable standard procedures which can be used effectively to assess corneal behaviour in any disease condition, or before/after any ocular surgery. We believe that the Ocul…
The current understanding of anterior eye shape in humans is limited due to available technology and its accessibility. Accurate curvature metrics of specific areas of the peripheral cornea, corneo-limbal junction and anterior sclera have remained obscured by the limits of the p…
Age-related macular degeneration (AMD) is the principle cause of visual loss and blindness in the developed world. As new treatments and therapies are developed the need to better diagnose and then monitor outcomes of treatment has become more important. This thesis evaluates bo…
The heterozygous mutation, B6;C3-Opa1Q285STOP, leads to a 50% reduction in Opa1 transcript and protein in the mouse retina and neural tissues and models autosomal dominant optic atrophy and presents with visual dysfunction and structural changes in the retina and optic nerve. Th…
The aim of this PhD thesis was to develop segmentation algorithm adapted and optimized to retinal OCT data that will provide objective 3D layer thickness which might be used to improve diagnosis and monitoring of retinal pathologies. Additionally, a 3D stack registration method …
Infantile Nystagmus Syndrome (INS) is defined as a constant involuntary movement of the eyes, affecting 0.12% of the population. Previous research shows that eye movements in patients with nystagmus increase in stressful conditions, and they report that their vision gets worse. …
The overall objective this work is to contribute to the understanding of how the precise structure of the corneal stroma is achieved during development, and to apply this knowledge to the latest attempts at engineering effective stromal constructs for use in transplantation. The…
Background / Aims: Maternal drug misuse in pregnancy is a significant clinical and public health problem. Consequences for the newborn infant include prematurity, intrauterine growth restriction (IUGR) and neonatal abstinence syndrome (NAS). There is increasing evidence that mat…
Ocular Mucous Membrane Pemphigoid (OcMMP) is a blinding immunobullous disease, characterised by auto-antibody driven conjunctival inflammation and scarring. My hypothesis was that progressive fibrosis in OcMMP, occurring in the apparent absence of clinical inflammation, was driv…
Cataract is the opacification of the crystalline lens of the eye. Both childhood and later-onset cataracts have been linked with complex genetic factors. Cataracts vary in phenotype and exhibit genetic heterogeneity. They can appear as isolated abnormalities, or as part of a syn…
Glaucoma is a leading cause of visual disability across the world and when diagnosed the glaucoma patient will spend the rest of their life receiving treatment in managed clinical care. In the glaucoma clinic, retinal and optic nerve head (ONH) imaging can be used to help the cl…
Glaucoma is a leading cause of irreversible blindness and visual impairment. In the clinic, glaucomatous damage can be characterized by structural changes in the optic nerve head (ONH) and retinal nerve fibre layer (RNFL) that can be evaluated by various retinal-imaging techniqu…
Refractive laser eye surgery is a specialised field in ophthalmology which aims to correct the refractive disorder of an eye. The most established technique is LASIK, which has shown good results for the treatment of simple myopia. Complex refractive disorders, such as compound …
The multifocal electroretinogram (mfERG) provides spatial and temporal information on the retina’s function in an objective manner, making it a valuable tool for monitoring a wide range of retinal abnormalities. Analysis of this clinical test can however be both difficult and su…
Idiopathic intracranial hypertension (IIH) is a blinding condition amongst the young obese female population characterised by elevated intracranial pressure (ICP). The aetiology of IIH is not known and, as highlighted in the 2005 Cochrane review, an evidence base for treatment h…
The ocular microenvironment is immunosuppressive in animal models of antigen presenting cell function. My hypothesis was that in humans the normal ocular microenvironment maintains an immature dendritic cell (DC) phenotype, whereas in intraocular inflammation (uveitis) this regu…
The eye is a glucocorticoid target tissue which orchestrates expression of target genes through the glucocorticoid receptor (GR). The classical function of GR involves its interaction with glucocorticoid to influence transcription of genes involved in numerous physiological proc…
Idiopathic intracranial hypertension (IIH) is common in obese women and can lead to significant visual impairment. The cause of IIH is unknown and management controversial, due to the lack of prospective trials. This thesis provides a comprehensive review of the aetiology and ma…