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Ocular perfusion pressure in glaucoma
It is believed that the balance between IOP and BP, influenced by the autoregulatory capacity of the eye, is part of what determines whether an individual will develop optic nerve damage, but prospective, longitudinal studies are needed to better define the role of ocular perfusion pressure in the development and progression of glaucoma.
Use of the retinal vessel analyzer in ocular blood flow research
Acta Ophthalmol. 2010: 88: 717–722
Use of colour Doppler imaging in ocular blood flow research
The intention of this review is to standardize methods in CDI assessment that are used widely, but not to exclude other approaches or additional tests that individual laboratories may choose or continue to use.
An evaluation of the retinal nerve fiber layer thickness by scanning laser polarimetry in individuals with dementia of the Alzheimer type.
The data indicate that the RNFL is not altered in DAT, at least in the earlier stages of the disease.
Choroidal blood flow during exercise-induced changes in the ocular perfusion pressure.
The dissociation between the OPP and the ChBF during biking and recovery suggests that some mechanism keeps the choroidal blood flow close to its basal value, an observation that indicates blood flow regulation.
Effects of oxygen and carbogen breathing on choroidal hemodynamics in humans.
The data obtained with POBF tonography indicate that the choroid reacts to increased blood CO2 concentration, but not to systemic hyperoxia, in a manner similar to that in retinal and brain vessels.
Systemic hyperoxia and retinal vasomotor responses.
Data indicate that, during systemic hyperoxic stress, the retinal vessels change in caliber uniformly across retinal quadrants in healthy young adults, and this type of physiological vascular provocation could be used to investigate the quality of vascular regulation during aging and in vascular diseases of the eye.
Age‐Related Changes in the Flash Electroretinogram and Oscillatory Potentials in Individuals Age 75 and Older
To evaluate whether the inner plexiform layer of the retina is altered during senescence by examining the oscillatory potentials (OPs) of the flash electroretinogram (fERG) in individuals age 75 and
Neuroretinal function is normal in early dementia of the Alzheimer type
Results showing normal fERGs and OPs in early DAT indicate that the underlying neurons giving rise to these signals are not impaired by the disease process, and support and extend the recent findings suggesting that visual deficits in DAT do not stem from neuroretinal dysfunction.
Neuroretinal function during mild systemic hypoxia.
The results show that mild systemic hypoxia alters the fERG b-wave and OPs but not the a-wave, which suggests that the outer retina in humans is more resistant to a mild systemic Hypoxia stress than the inner retinal layers.