Transcription of HOW TO UNDERSTAND IT How to interpret visual fields
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How to interpret visual fieldsSui H Wong,1,2 Gordon T Plant1,2,31 Department of Neuro-ophthalmology, Moorfields EyeHospital, London, UK2 Medical Eye Unit, St Thomas Hospital, London, UK3 National Hospital for Neurologyand Neurosurgery, London, UKCorrespondence toDr Sui H Wong, Consultant inNeuro-ophthalmology,Moorfields Eye Hospital,162 City Road, LondonEC1V 2PD, 31 May 2015 Published Online First3 July 2015To cite:Wong SH, Plant ;15:374 you are assessing a patient withvisual difficulties or optic disc a bedside visual field examinationwith waggling fingers and even a redhatpin, you decide that there is an abnor-mality. After requesting quantified visualfield tests, the patient returns with ablack and white printout with numbers(eg, Humphrey fields ) or coloured lineson a sheet (eg, Goldmann fields ). Whereis the report you ask? There is none!Static perimetryuses flashing stationarylights. This can be automated (eg, evenlyspaced points on a grid) or manual (eg,as a small part of Goldmann test: detailedlater).
May 31, 2015 · visual field defects. Instead we recom-mend two excellent recent reviews.12 Skilled interpretation of visual field tests requires a good grasp and application of this prior knowledge. Useful aspects of eye anatomy 1. The fovea is the area of greatest visual sen-sitivity, where the cone photoreceptor density is at its highest. The visual sensitiv-
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