visual field examination , także: visual field testing

If the lesion is in close proximity to the optic nerves or optic chiasm, a visual field examination should be performed.

Examination reveals decreased visual acuity, loss of color vision and a cecocentral scotoma on visual field examination.

Until the 1950s, the diagnosis of pituitary disease remained based on clinical features and visual field examination, sometimes aided by pneumoencephalography and X-ray tomography.

On visual field examination, the physician may elicit an enlarged blind spot; the visual acuity may remain relatively intact until papilledema is severe or prolonged.

For example, while insurance companies would routinely cover a visual field examination for a patient who already has glaucoma, most would not pay for this test for a person who has not yet experienced vision loss, when the disease process might be stopped without lasting vision damage.

For those with incidentalomas which do not require surgical removal, follow up clinical assessments and neuroimaging should be performed as well follow-up visual field examinations for incidentalomas that abut or compress the optic nerve and chiasm and follow-up endocrine testing for macroincidentalomas.

A complete ophthalmic examination may include a slit lamp examination, optical coherence tomography to detect nerve loss, visual field examinations, fundoscopic examination to assess optic disc atrophy and retinal disease, fundoscopic angiography, and visual evoked potentials, which may demonstrate increased latency.