Functional Imaging With Cellular Resolution in the Living Eye

Reactivity in the human retinal microvasculature measured during acute gas breathing provocations

A Duan, PA Bedggood, AB Metha, BV Bui

2017-12-01

Although changes in vessel diameter following gas perturbation have been documented in retinal arterioles and venules, these respo..

De-warping of images and improved eye tracking for the scanning laser ophthalmoscope

P Bedggood, A Metha

2017-03-01

A limitation of scanning laser ophthalmoscopy (SLO) is that eye movements during the capture of each frame distort the retinal ima..

Vision science and adaptive optics, the state of the field

S Marcos, JS Werner, SA Burns, WH Merigan, P Artal, DA Atchison, KM Hampson, R Legras, L Lundstrom, G Yoon, J Carroll, SS Choi, N Doble, AM Dubis, A Dubra, A Elsner, R Jonnal, DT Miller, M Paques, HE Smithson

2017-03-01

Adaptive optics is a relatively new field, yet it is spreading rapidly and allows new questions to be asked about how the visual s..

Evidence of flicker-induced functional hyperaemia in the smallest vessels of the human retinal blood supply

A Duan, PA Bedggood, BV Bui, AB Metha

2016-09-01

Regional changes in blood flow are initiated within neural tissue to help fuel local differences in neural activity. Classically, ..

Contrast-based sensorless adaptive optics for retinal imaging

X Zhou, P Bedggood, B Bui, CTO Nguyen, Z He, A Metha

2015-09-01

Conventional adaptive optics ophthalmoscopes use wavefront sensing methods to characterize ocular aberrations for real-time correc..

Phase and absorption contrast for functional analysis of retinal microvessels

Phillip A Bedggood, Angelina Duan, Bang V Bui, Andrew B Metha

2014-04-01

Analysis of contrast and motion signals generated by human blood constituents in capillary flow

P Bedggood, A Metha

2014-02-01

The flow of individual corpuscles through retinal capillaries may now be observed noninvasively by using adaptive optics (AO). To ..

Optical imaging of human cone photoreceptors directly following the capture of light

P Bedggood, A Metha

2013-11-15

Capture of light in the photoreceptor outer segment initiates a cascade of chemical events that inhibit neurotransmitter release, ..

Direct visualization and characterization of erythrocyte flow in human retinal capillaries

P Bedggood, A Metha

2012-12-01

Imaging the retinal vasculature offers a surrogate view of systemic vascular health, allowing noninvasive and longitudinal assessm..

Variability in bleach kinetics and amount of photopigment between individual foveal cones

P Bedggood, A Metha

2012-06-01

PURPOSE. To study the bleaching dynamics of individual foveal cone photoreceptors using an adaptive optics ophthalmoscope. METHODS..