Visual Fields: Execute a visual subject having a tangent monitor, HVF, or Goldmann perimeter; Calibrate the perimeter for accurate tests; Reveal the visual pathway within the retina to the Visible cortex; Discover common visual discipline defects and corresponding etiology: neurologic, glaucomatous, retinal, physiologic, or functional The Greek doctor Galen (2nd https://www.centre-comes.ch/a-propos-de-nous/contactez-nous/