About 181 results
Open links in new tab
  1. Optic Nerve Drusen Visual Field Loss - University of Iowa

    Aug 14, 2007 · Field defects can be present due to ONHD alone. A study to Auw-Haedrich in 2002 revealed that Goldmann Visual Fields (GVF) may show areas of nerve fiber defects (most commonly …

  2. EyeRounds.org - Ophthalmology - The University of Iowa

    Aug 14, 2008 · She subsequently developed visual field progression and a disc hemorrhage. This constellation of findings is consistent with the diagnosis of normal tension glaucoma. Normal tension …

  3. Visual Field Testing: From One Medical Student to Another

    Similarly, light from the superior visual field is absorbed in the inferior retina and vice versa. Therefore, a patient with injury to the ganglion cells in the temporal retina would be predicted to have a nasal …

  4. Summary Evaluation of the visual field is an important component of the ophthalmological examination. The application of psychophysical principles has been used to develop a non-invasive, topo …

  5. Frequency Doubling Technology (FDT) Perimetry

    Frequency Doubling Technology (FDT) Perimetry Marco Zeppieri, M.D. and Chris A. Johnson, Ph.D. 1. The Basics The Frequency Doubling Technology (FDT) perimeter is a portable, relatively …

  6. 263 T. Aoyama: Visual field change examined by pupillography in glaucoma 265 M. Zingirian, G. Calabria & E. Gandolfo : The nasal step : An early glaucomatous defect?

  7. Primary Open Angle Glaucoma: From One Medical Student to Another

    Aug 22, 2013 · Visual field abnormalities associated with POAG include: Superior or inferior arcuate scotomata; these may form nasal steps which respect the horizontal meridian Paracentral scotomata …

  8. Confrontation visual field testing - University of Iowa

    Jan 12, 2017 · Confrontation visual field testing Richard C. Allen, MD, PhD, FACS Additional Notes: Length 00:27 Confrontation visual field testing involves having the patient looking directly at your eye …

  9. EyeRounds Photo Quiz #1: The University of Iowa, Ophthalmology

    Sep 18, 2013 · Photo 15 Q1: What type of visual field defect might you expect to see in this patient? A superior nasal step or superior arcuate scotoma due to the prominent inferior notch in the optic nerve …

  10. The results were classified into: those in which visual field abnormality was demonstrated to a similar extent by the two methods of examination: those in which visual field abnormality was more …