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*  Hemianopsia | Atlanta Outpatient Surgery Center
Your field of vision will be tested. This can be done with a visual field test that makes a map of your field of vision. ... Hemianopsia is the loss of half of the visual field. A person with hemianopsia only sees a portion of the visual field from ... Visual Aids Aids may be used to help increase your visual field. They must be fitted by an eye care professional. Prisms may be ... You will be trained on how to use the prism to make up for your visual field defect. Mirrors or inverted telescopes can also be ...
  https://atlantaoutpatientsurgerycenter.com/hl/?/648217/Hemianopsia
*  The Multiple Mirror Telescope | The MMT Observatory
Thus, in wide field visual use Type B is at an advantage. However, when one comes to developing a phased field for coherent ... In fabrication, all twelve secondary mirrors were tested against a concave hyperbolic test plate, which itself had been tested ... The provision of the high quality wide field is more easily met in an fl2.7 primary in Type B. For visual imaging, one should ... The optics were tested while in place on the telescope using star images. Figure 9 shows a Foucault knife edge test of one of ...
  http://www.mmto.org/node/442
*  Comparison of the monocular Humphrey visual field and the binocular Humphrey esterman visual field test for driver licensing in...
The binocular visual field test (HEVF) seems not be as efficient as the HVF in finding visual field defects in glaucoma ... Results indicate that the HVF is still the predominant visual field test for the detection and diagnosis of visual field ... Comparison of the monocular Humphrey visual field and the binocular Humphrey esterman visual field test for driver licensing in ... license testing. Esterman visual field perimetry is a binocular testing method which is also available on the HFA. The test ...
  https://bmcophthalmol.biomedcentral.com/articles/10.1186/1471-2415-12-35
*  Visual field test - Wikipedia
"Visual Field Testing". January 2, 2013. Siverstone, DE, Hirsch, J: Automated Visual Field Testing. Appelton-Century Croft. ... Goldmann visual field exam, or the Humphrey field exam. Techniques used to perform this test: Confrontation visual field exam ( ... Machine based tests aid diagnostics by allowing a detailed printout of the patient's visual field. Other names for this test ... "Amsler Grid" Test from Ossibus Software Free visual field test. ... A visual field test is an eye examination that can detect ...
  https://en.wikipedia.org/wiki/Visual_field_test
*  Ptosis visual field test - Answers on HealthTap
Peltan on ptosis visual field test: It will not affect your field of vision. Of course, a 44 year old should have a normal ... field of vision. If you do not, that should be fully evaluated. ... Confrontation test visual field * Ask a doctor a question free ... Yes: Visual field testing will occasionally pickup small areas of visual field depressions if the floater is particularly large ... Visual field test result normal - 3/14 fixation error. Some peripheral vision loss not in field of vision. Why does test result ...
  https://www.healthtap.com/topics/ptosis-visual-field-test
*  Test Conditions in Macular Visual Field Testing in Glaucoma
The purpose of this study is to evaluate the suitable visual field (VF) test conditions (target size, test type, and ... and 3 visual function-specific perimetry tests (the 10-2 SWAP, 10-2 flicker, and 10-2 Humphrey Matrix). The GCL and inner ... for the correlation between visual sensitivity and the GCL+IPL thickness was calculated for each test at eccentricities 0 to 5 ... The VF tests included 3 SAP (the 10-2 HFA using SITA with target size III [HFA SITA (III)], full threshold with size III [HFA ...
  https://insights.ovid.com/jglau/201712000/00061198-201712000-00007
*  Patent US20080024724 - Frequency doubling fixation stimuli for visual field testing and therapy - Google Patents
... thereby allowing prolonged visual fixation upon the resulting dynamic target. A dynamic stimulus may utilize a frequency ... of a fixation or peripheral stimulus displayed on a computer-driven display allows a human subject to maintain extended visual ... Visual field perimetry on a small computer screen. US5883692 *. 1 Oct 1997. 16 Mar 1999. Retsan, Inc.. Visual field measurement ... The dynamic peripheral stimulus may be used to map the visual field through perimetry or campimetry, to stimulate visual field ...
  http://www.google.com.au/patents/US20080024724
*  Visual field test simulation and error in threshold estimation. | British Journal of Ophthalmology
... variability and staircase starting level upon the accuracy and repeatability of static full threshold visual field tests. ... When results from an earlier full threshold test are used as staircase starting values this error and increased standard ...
  http://bjo.bmj.com/content/80/4/304
*  Principles of quantitative perimetry: testing and interpreting the visual field - George W. Tate, John R. Lynn - Google Books
... technique temporal test object test spot threshold tumor usually variable vision visual acuity visual field defects visual ... color cones cortex cortical curve dark adaptation device disc disease eccentricity effect examiner false alarm rate field loss ... cells refraction response retina retinal detachment rods scotoma seen sensitivity slope static perimetry static testing ... patient pattern perimetrist perimetry peripheral photopic plexiform layer plotted posterior present pupil receptive fields ...
  https://books.google.com/books?id=FXZsAAAAMAAJ&q=optic+neuritis&dq=related:ISBN1588291758&source=gbs_word_cloud_r&hl=en
*  More frequent visual field testing may lead to earlier detection of glaucoma progression
... frequent visual field testing may be associated with earlier detection of the condition's progression, according to a report ... included all visual field tests performed within the first year of follow-up as well as the last available visual field tests. ... More frequent visual field testing may lead to earlier detection of glaucoma progression. August 8, 2011, JAMA and Archives ... In addition, they assembled a low-frequency data set by deleting, for one group, every other visual field test from the second ...
  https://medicalxpress.com/news/2011-08-frequent-visual-field-earlier-glaucoma.html
*  Does Lowering Eye Pressure Affect the Results Obtained From Objective Visual Field Testing? - Full Text View - ClinicalTrials...
Visual field testing and HRT testing will be performed before and after treatment as well if possible. Paired t-tests will be ... Does Lowering Eye Pressure Affect the Results Obtained From Objective Visual Field Testing?. The safety and scientific validity ... Pathology unrelated to glaucoma (retinal disease, stroke, brain tumor, etc) associated with visual field defect ... Effect of Acutely Lowering Intraocular Pressure on Multifocal Visual Evoked Potential Testing. ...
  https://clinicaltrials.gov/ct2/show/NCT00799994
*  Intervals between Visual Field Tests When Monitoring the Glaucomatous Patient: Wait-and-See Approach | IOVS | ARVO Journals
The 24-2 Visual Field Test Misses Central Macular Damage Confirmed by the 10-2 Visual Field Test and Optical Coherence ... Incorporating Spatial Models in Visual Field Test Procedures. Spatial summation across the central visual field: Implications ... Gardiner SK Crabb DP . Frequency of testing for detecting visual field progression. Br J Ophthalmol . 2002; 86:560-564. [ ... Viswanathan AC Hitchings RA Fitzke FW . How often do patients need visual field tests? Graefes Arch Clin Exp Ophthalmol . 1997 ...
  http://iovs.arvojournals.org/article.aspx?articleid=2127544
*  "Effects of motion in the far peripheral visual field on cognitive test" by Andy Bevilacqua, Fred Paas et al.
Thirty-nine adult participants performed a cognitively demanding test, with and without movement in the far peripheral field. ... men spent less time on the cognitive test in the peripheral movement condition than in the conditions without peripheral ... Bevilacqua, A., Paas, F. & Krigbaum, G. (2016). Effects of motion in the far peripheral visual field on cognitive test ... Effects of motion in the far peripheral visual field on cognitive test performance and cognitive load ...
  http://ro.uow.edu.au/sspapers/2560/
*  Diagnostic performance and repeatability of a novel game-based visual field test for children | Research Explorer | The...
Diagnostic performance and repeatability of a novel game-based visual field test for children. Research output: Contribution to ... Purpose: To demonstrate utility of a game-based test ("Caspar's Castle") for the detection of visual field defects in children. ... Of the 21 children with pathology, seven had completed standard Humphreys field testing and Caspar's Castle fields corresponded ... with pathology were recruited and Caspar's fields compared qualitatively with established field testing. A total of 106 of the ...
  https://www.research.manchester.ac.uk/portal/en/publications/diagnostic-performance-and-repeatability-of-a-novel-gamebased-visual-field-test-for-children
*  Visual Field Testing
Eye TestingVisual Field Testing Visual Field Testing. Northern Eye Surgeons uses the gold-standard Humphrey Visual Field ... Analyser for your visual field testing.. What is visual field testing?. Generally speaking, your vision can be divided into ... Your peripheral vision is a little more difficult to test.. Visual field testing usually involves testing the peripheral vision ... Several visual field tests are always required to establish an accurate baseline and ongoing testing is then performed to ...
  http://www.northerneyesurgeons.com.au/visual-field-testing
*  Pressure and burn in eye, advised visual field test and EEG. Cause? - Doctor's insight on HealthcareMagic
... advised visual field test and EEG. Cause?. Ask a Doctor about diagnosis, treatment and medication for Sinusitis, Ask an ... Pressure and burn in eye, advised visual field test and EEG. Cause?. ... i ve been to my eye doctor and she s was very disturbed and told me to get myself Visual field test im trying to book myself ... As far as visual field is concerned it may be just to ruleout some accidental findings. ...
  http://www.healthcaremagic.com/questions/Pressure-and-burn-in-eye-advised-visual-field-test-and-EEG-Cause/302453
*  Pseudotumor Cerebri Louisville | Visual Field Testing Florence
OCT scanning can precisely measure the amount of optic nerve swelling, and visual field testing documents peripheral vision ...
  http://www.eyecenters.com/retina-and-vitreous-louisville/pseudotumor-cerebri-ptc/
*  Free Visual Field Test of your Eyes for PC
EYE TEST FOR EVERYBODY. VISUAL FIELD TEST SIMILAR LIKE CAMPIMETRY OR PERIMETRY IN MAKULAR DEGENERATION OR GLAUCOMA TESTS. NO ... Free Visual Field Analyzer EyesCream - Eye Test Program as Computer Game. Scan of left eye (visual map) measured by EyesCream- ... EyesCream© Visual Field Analyzer is a PC game to explore your visual ability and to achieve a visual map. It was originally ... 38 Responses to Free Visual Field Analyzer EyesCream - Eye Test Program as Computer Game. * Lotus. says: ...
  http://www.eyesage.org/?replytocom=845
*  Glaucoma - Wikipedia
A formal visual field test should be performed. The retinal nerve fiber layer can be assessed with imaging techniques such as ... Primary open-angle glaucoma is when optic nerve damage results in a progressive loss of the visual field. This is associated ... This manifests as a gradual loss of the visual field, starting with a loss of peripheral vision, but eventually the entire ... The modern goals of glaucoma management are to avoid glaucomatous damage and nerve damage, and preserve visual field and total ...
  https://en.wikipedia.org/wiki/Glaucoma
*  Stimulus modality - Wikipedia
Some common tests that measure visual health include visual acuity tests, refraction tests, visual field tests and colour ... Visual field tests detect any gaps in peripheral vision. In healthy normal vision, an individual should be able to partially ... Visual acuity tests are the most common tests and they measure the ability to bring details into focus at different distances. ... The testing is completed after listening to a range of pitches. Each ear is tested individually. During the tuning fork test, ...
  https://en.wikipedia.org/wiki/Stimulus_modality
*  Vogt-Koyanagi-Harada disease - Wikipedia
Functional tests may include electroretinogram and visual field testing. Diagnostic confirmation and an estimation of disease ... If tested in the prodromal phase, CSF pleocytosis is found in more than 80%, mainly lymphocytes. This pleocytosis resolves in ... Visual prognosis is generally good with prompt diagnosis and aggressive immunomodulatory treatment. Inner ear symptoms usually ... In 70% of VKH, the onset of visual blurring is bilaterally contemporaneous; if initially unilateral, the other eye is involved ...
  https://en.wikipedia.org/wiki/Vogt%E2%80%93Koyanagi%E2%80%93Harada_disease
*  Toxic and nutritional optic neuropathy - Wikipedia
... a visual field defect at or surrounding the point of fixation. This pattern can be revealed via visual field testing. Upon ... Loss of visual acuity may start with a blur or haze at the point of fixation, followed by a progressive decline. The degree of ... Further testing, guided by the medical history and physical examination, can be performed to elucidate a specific toxin or ... Examples include blood testing for methanol levels or vitamin B12 levels. Treatment of toxic and nutritional optic neuropathy ...
  https://en.wikipedia.org/wiki/Toxic_and_nutritional_optic_neuropathy
*  Branch retinal artery occlusion - Wikipedia
Visual field testing can confirm the extent of visual loss. No proved treatment exists for branch retinal artery occlusion. In ... Abrupt painless loss of vision in the visual field corresponding to territory of the obstructed artery is the typical history ... Patients can typically define the time and extent of visual loss precisely. Retinal whitening that corresponds to the area of ... Risk factors include: Hypertension Elevated lipid levels cigarette smoking Diabetes Ancillary testing is not usually necessary ...
  https://en.wikipedia.org/wiki/Branch_retinal_artery_occlusion
*  Macula of retina - Wikipedia
For example, visual field testing might demonstrate homonymous hemianopsia with macular sparing.) In the case of ... Visual input from the macula occupies a substantial portion of the brain's visual capacity. As a result, some forms of visual ... Remington, Lee Ann (29 July 2011). Clinical Anatomy of the Visual System. Elsevier Health Sciences. pp. 314-5. ISBN 1-4557-2777 ... indicating that the caudal visual cortex (which is the principal recipient of macular projections of the optic nerve) has been ...
  https://en.wikipedia.org/wiki/Macula_of_retina
*  Streff syndrome - Wikipedia
Abnormal results on color vision or visual field testing is not uncommon. Visual field often presents as constricted 'tubular' ... and a reduced visual field (tubular or spiral field). Streff Syndrome was first described in 1962 by an optometrist, Dr. John ... at multiple test distances. The poor visual performance is understood as distress, and treatments are usually to provide the ... Streff believed the visual changes were induced by stress from reading. There is dispute on the taxonomy of functional vision ...
  https://en.wikipedia.org/wiki/Streff_syndrome