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Age Related Changes In The Optics Of Adult Human Eyes
Funder
National Health and Medical Research Council
Funding Amount
$199,437.00
Summary
Vision is limited by both optical and retinal-neural factors. Our understanding of the optical structure of the human eye is limited, partcularly for the refractive index gradient of the lens, let alone how these change with age. This understanding is needed if we are to accurately predict or assess the long-term effects of refractive surgical procedures or ophthalmic prostheses on vision. In this project, we aim to substantially improve our understanding of the optical properties of the eye by ....Vision is limited by both optical and retinal-neural factors. Our understanding of the optical structure of the human eye is limited, partcularly for the refractive index gradient of the lens, let alone how these change with age. This understanding is needed if we are to accurately predict or assess the long-term effects of refractive surgical procedures or ophthalmic prostheses on vision. In this project, we aim to substantially improve our understanding of the optical properties of the eye by 1) developing methods for measuring these quantities and then applying the methods to investigate how these properties vary with age and focussing, and 2) determine the optical contribution to reduction in visual performance with increasing age. Our research will be used to determine norms for growth and aging patterns in the normal human eye, particularly the lens. It will yield significant outcomes through 1. determination of the long-term success of custom refractive surgery aimed at improving vision by eliminating the ocular aberrations, and 2. indicating the potential improvement in ocular performance provided by artificial intraocular lenses or any other type of correction.Read moreRead less
Metrics Of Optical Quality Predictive Of Visual Performance In Eye Disease
Funder
National Health and Medical Research Council
Funding Amount
$121,655.00
Summary
Highly precise measurement of the optical quality of the human eye (how well an image is formed by light passing through the eye) is now possible. While eye's optics can be measured, it is less clear how to report optical quality in a way that is related to how well the eye sees; optics and vision are complex. This project will attempt to find ways to describe the optical quality of the human eye that predicts how well the eye sees - both for the normal eye and eyes with disease.
Development Of A Fibre-optic Flow Sensor To Monitor Blood Platelet Adhesive Function.
Funder
National Health and Medical Research Council
Funding Amount
$187,550.00
Summary
The ability to accurately diagnose platelet dysfunction is key to the clinical management of many cardiovascular diseases which represent a major cause of mortality in the industrialised world. At present there is no clinically robust instrument that can accurately assess abnormal platelet function under conditions that closely mimic the physiological environment. We aim to develop a sensitive prototype instrument for the clinical assessment of platelet function. We propose to develop this medic ....The ability to accurately diagnose platelet dysfunction is key to the clinical management of many cardiovascular diseases which represent a major cause of mortality in the industrialised world. At present there is no clinically robust instrument that can accurately assess abnormal platelet function under conditions that closely mimic the physiological environment. We aim to develop a sensitive prototype instrument for the clinical assessment of platelet function. We propose to develop this medical device as a relatively cheap and portable point of care instrument that can be marketed internationally.Read moreRead less
Understanding The Roles Of Dendritic Domains In Neuronal Function
Funder
National Health and Medical Research Council
Funding Amount
$491,509.00
Summary
We aim to find cellular basis to cognitive function and dysfunction by understanding the input/output characterstics of individual neurons. Since neurons are fundamental computational units in the brain, we aim to understand how synaptic inputs to different dendritic regions are processed prompting the neuron to fire an output. We also aim to seek distinct roles of certain dendritic branches in gating sensory inputs onto the neuron.
Evaluating Coronary Stents Using High-resolution Optical Coherence Tomography Imaging In Patients With Coronary Artery Disease
Funder
National Health and Medical Research Council
Funding Amount
$217,274.00
Summary
A stent is a device made of metal that is placed inside an artery to prop it. Recently, the applicant introduced into Australia a novel technology to examine these stents once inside the body. This information may help make stents safer for patients
Micro-elastography - A New Tool For Microscopic Intraoperative Tumour Margin Assessment In Breast Cancer
Funder
National Health and Medical Research Council
Funding Amount
$195,956.00
Summary
In breast cancer surgery, it is vital to completely remove the entire tumour. Unfortunately, in 30% of breast-conserving surgeries, re-excision is required because microscopic analysis after the surgery indicated some tumour had been missed. This has traumatic consequences for the patient and places a huge economic burden on the healthcare system. Using micro-elastography, we will enable the surgeon to detect small regions of tumour during the initial surgery. This probe may significantly reduce ....In breast cancer surgery, it is vital to completely remove the entire tumour. Unfortunately, in 30% of breast-conserving surgeries, re-excision is required because microscopic analysis after the surgery indicated some tumour had been missed. This has traumatic consequences for the patient and places a huge economic burden on the healthcare system. Using micro-elastography, we will enable the surgeon to detect small regions of tumour during the initial surgery. This probe may significantly reduce the number of additional surgeries required.Read moreRead less
Is The Eye A Window To The Brain In Sanfilippo Syndrome?
Funder
National Health and Medical Research Council
Funding Amount
$852,967.00
Summary
Study of the retina and optic nerve permits evaluation of central nervous system – these structures contain both neurons and glia and are outgrowths of the developing brain. Therefore, eye examination may allow us to study the brain and monitor brain disease and the effect of therapy. This project will determine whether brain disease in a childhood-onset disorder (Sanfilippo syndrome) and treatment of it, can be monitored in this way.