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Optometric Management

Article | 2025 Optometric Management Symposium

Finding the Wolf in Your Visual Field Testing

"The way to find the wolf is by recognizing a few simple rules that help determine whether a visual field defect is due to a problem in the retina, optic nerve, or intracranial pathway."

Optometric Management November 15, 2025
5 Key Takeaways

  • 1

    Visual field defects can indicate issues in the retina, optic nerve, or intracranial pathways.

  • 2

    Respect for the vertical meridian is crucial for identifying hemianopsia in visual field testing.

  • 3

    Bitemporal hemianopsia typically results from a pituitary gland lesion, especially in acute cases.

  • 4

    Homonymous hemianopsia can be caused by hemorrhages, strokes, or tumors affecting the brain.

  • 5

    Recognizing these patterns is essential for diagnosing the underlying causes of visual field defects.