Orbital Disease in Neuro-Ophthalmology

Dec 26, 2019 by in OPHTHALMOLOGY Comments Off on Orbital Disease in Neuro-Ophthalmology

Orbital disorders usually manifest with a unifying constellation of symptoms and signs that include proptosis, periocular swelling, blurred vision, and double vision. The presence of proptosis distinguishes diseases of the…

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Visual Loss: Disorders of the Chiasm

Dec 26, 2019 by in OPHTHALMOLOGY Comments Off on Visual Loss: Disorders of the Chiasm

Chiasmal disorders are important in the differential diagnosis of anterior visual pathway dysfunction, particularly when the visual loss is gradually progressive. Involvement of the chiasm is suggested by (1) any…

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Functional (Nonorganic) Visual Loss

Dec 26, 2019 by in OPHTHALMOLOGY Comments Off on Functional (Nonorganic) Visual Loss

Functional (nonorganic) visual loss is frequently encountered in ophthalmic and neurologic practice, occurring in 0.5–5% of patients presenting with vision loss. Patients with functional visual loss may be misdiagnosed because…

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Disorders of Higher Cortical Visual Function

Dec 26, 2019 by in OPHTHALMOLOGY Comments Off on Disorders of Higher Cortical Visual Function

While the anterior visual and geniculocalcarine pathways deliver the elemental visual data from the eyes to striate cortex, the higher cortical visual (or association) areas perform the more complex interpretation…

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Transient Visual Loss or Blurring

Dec 26, 2019 by in OPHTHALMOLOGY Comments Off on Transient Visual Loss or Blurring

Transient loss or blurring of vision lasting for seconds or minutes are common visual complaints. This chapter provides one approach to patients with these symptoms based upon visual pathway anatomy…

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Pupillary Disorders

Dec 26, 2019 by in OPHTHALMOLOGY Comments Off on Pupillary Disorders

Pupillary disorders usually fall into one of three major categories: (1) abnormally shaped pupils, (2) abnormal pupillary reaction to light, or (3) unequally sized pupils (anisocoria). Occasionally pupillary abnormalities are…

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