Sentences with phrase «visual field testing»

A special visual field test performed with both eyes open is required to assess the driving field of vision.
Current visual field testing systems use just one test size to measure vision at different locations of the visual field.
We're also testing a new kind of visual field test where we're actually measuring the signals that go from the eye to the brain in glaucoma patients.
We have some biomarkers for glaucoma that tell us whether patients have the disease, like visual field tests or imaging, just letting your doctor look at the optic nerve in the back of the eye is a biomarker for whether you have glaucoma and, at least at a gross level, whether it's getting worse.
These cells were hypothesized to be the «canary in the coal mine» that might warn of glaucoma in the earliest stages of disease before vision loss is severe enough to be detected by conventional visual field tests.
Conduct Visual Field Tests using the Humphrey Field Analyzer to test patients peripheral vision
Researchers from the Institute of Medical Psychology and Department of Computer Sciences, Otto - von - Guericke - University of Magdeburg, and the Max Planck Institute for Dynamics and Self - Organisation, Goettingen, Germany, conducted a retrospective analysis of multiple visual field tests before and after at least six months of VRT in 32 stroke patients with hemianopia, which is a loss of vision in half of the visual field.
That means one can devise visual field tests that specifically probe the health and integrity of the OFF cells, so that's what we're doing now.
This grant will enable us to advance and expand our technology so that it (1) determines for each patient the ideal level of eye pressure, and (2) guides eye doctors about how frequently each patient should undergo various glaucoma tests like checking eye pressure or undergoing visual field testing.
For example, if it turned out that you were losing ganglion cells that responded to motion early in the disease, then you can imagine designing visual field tests that would detect motion in particular and tell us whether or not people were losing certain kinds of ganglion cells long before pressure increases or holes in their visual field would show up.
Our new visual field test that helps detect the earliest signs of glaucoma is already showing some hints of positive effects.
The findings also underlined the need for glaucoma patients to have regular visual field tests after the age of 55.
Performed examination of the eye by automated refractor, measured intraocular pressure by application tonometry, performed corneal measurements by keratometer, performed automated visual field testing
Other skills and duties include visual field testing, OCT, optical photos, evaluation of ocular pathology and pre and post-op surgical co-management for managing optometrist.
Scheduling Charge Entry Skills Visual Field testing Optometry work up Chief Complaint Obtaining history Medication
Glaucoma specialists attempt to track the vision loss caused by ganglion cell death with visual field testing.
This test is more objective and might be more sensitive for glaucoma than a conventional visual field test.
Four tests are currently used to diagnose glaucoma: an eye pressure test, observation of the optical nerve, microscopic examination of the anterior eye, and visual field testing using a machine called a Visual Field Analyser.
«The current method of visual field testing, which uses just one dot size, is good but not ideal.
The term visual field is often used in ophthalmology, where a visual field test is used to determine whether the visual field is affected by diseases that cause local scotoma or a more extensive loss of vision.
A study assessing 13 patients using this improved technique for visual field testing has been recently published in the journal Ophthalmic and Physiological Optics.
Some older people don't do as well on the visual field test for reasons that may not be related to what's going on in their eyes, Ban explained.
We think that in the end, the biomarkers are going to be something like a visual field test or perhaps direct imaging of the OFF cells in the inner retina.
Of course, visual field testing, looking at the optic nerve, optic nerve atrophy, nerve fiber layer thinning, using optical coherence tomography, but the real question is can we back that up significantly and be able to tell whether the patient sitting right there in the chair is in trouble?
Visual field testing, current OCT technology.
Pretest patients for visual acuity, color vision, depth perception, visual field testing, and pressure inside the eye
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