In the United States, legal blindness means your central visual acuity—the part of your vision that allows you to see straight ahead—is 20/200 or less in your better eye when wearing corrective lenses. With 20/200 vision, you can see at 20 feet what a person with 20/20 vision sees at 200 feet. Or, your 20-degree field allows for seeing only

A visual field test measures your peripheral vision (how far you can see to the side when you’re looking straight ahead) and assesses if you have any blind spots. You must be able to see for at least 160 degrees when looking straight ahead, with an extension of at least 70 degrees to the left and right and 30 degrees up and down.
The Royal College of Ophthalmologists in its advice to the DVLA has defined; the minimum visual field for safe driving is a field of vision of at least 120 o on the horizontal meridian measured by the Goldmann perimeter on the III4e settings (or equivalent perimetry). n addition there should be no significant field defect in the binocular field DVLA requirements for visual fields testing. letter sent to all ophthalmologists registered to perform fields tests for the DVLA. (Letter) Drivers Medical Group. Swansea: Driver and Vehicle Licensing Agency, 19 Dec 2001.
Free Visual Field Analyzer EyesCream –. Eye Test Program as Computer Game. Scan of left eye (visual map) measured by EyesCream-II in just 5 min. The blind spot of the channel for the nerves was already resolved at ca. 17 degree left handside as well as a small makular defect close to the visual center part.
April 14, 2022. GNA. Tema, April 14, GNA – Applicants for a learner’s license, driver’s license, or renewal of a driver’s license must undergo a mandatory eye test, the Driver Vehicle and Licensing Authority (DVLA) has set July 1st, 2022 to start the policy. Figure 1. Visual field test of a patient’s right eye. Fixation is maintained centrally under monocular conditions. Testing begins with a bright central stimulus, followed by a dim peripheral stimulus. A hollow blinking green circle is presented in the temporal portion of the visual field that is intended to align with the blind spot. hlXbnvs.
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    • dvla visual field test requirements