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Neuro-Ophthalmology

Neuro-Ophthalmology

What is Neuro-Ophthalmology?

Neuro-ophthalmology is a specialized field that bridges neurology and ophthalmology, focusing on visual problems related to the nervous system rather than the eyes themselves.

Our neuro-ophthalmologists diagnose and treat visual issues caused by brain tumors, strokes, multiple sclerosis, and other neurological conditions that affect the complex visual pathways between the eye and brain. We specialize in optic nerve disorder and provide expert neuro eye care to patients suffering from vision impairments due to nervous system issues.

The Visual Pathway

The human visual system is an intricate network that extends from the eyes through the optic nerves to the visual cortex in the brain. Damage at any point along this pathway can cause distinct visual problems that help locate the issue, including vision nerve disorders.

Conditions We Treat

Our Neuro-ophthalmology specialists diagnose and treat a range of complex conditions where the visual and neurological systems intersect.

Optic Neuritis

Optic neuritis is inflammation of the optic nerve, which carries visual information from the eye to the brain. This condition often causes sudden vision loss, eye pain (especially during eye movement), and may affect color perception.

Symptoms & Signs:

  • Sudden vision loss in one eye (usually)
  • Eye pain that worsens with movement
  • Loss of color vision (colors appear less vibrant)
  • Flashing lights or flickering vision
  • Pupil abnormality (affected pupil reacts abnormally to light)

Common Causes:

  • Multiple sclerosis (MS) - most common association
  • Autoimmune disorders
  • Infections
  • Neuromyelitis optica (NMO)
Optic Neuritis

Case Example

Optic Neuritis Case

Patient: 28-year-old female

Presentation: Sudden vision loss in right eye with pain during eye movement

Diagnosis: MRI revealed optic nerve enhancement consistent with optic neuritis, leading to MS diagnosis

Treatment: IV steroids followed by oral prednisone taper; referred to neurology for MS management

Visual Field Defects

Visual field defects are areas of vision loss that can result from damage to the visual pathway at different points from the retina to the visual cortex in the brain. The pattern of vision loss often helps localize where the damage has occurred.

Types of Visual Field Defects:

  • Hemianopia: Loss of half of the visual field
  • Quadrantanopia: Loss of a quarter of the visual field
  • Scotoma: Isolated area of vision loss within the visual field
  • Bitemporal Hemianopia: Loss of the outer half of vision in both eyes (classic sign of pituitary lesions)

Common Causes:

  • Stroke affecting the visual cortex
  • Brain tumors compressing the visual pathway
  • Traumatic brain injury
  • Pituitary adenomas
  • Glaucoma (particular pattern of field loss)
Visual Field Defects

Case Example

Visual Field Defect Case

Patient: 65-year-old male

Presentation: Unable to see objects on his left side; had near-miss accidents while driving

Diagnosis: Right homonymous hemianopia due to left occipital lobe stroke

Treatment: Vision rehabilitation therapy and compensatory strategies; prism glasses to expand visual field

Cranial Nerve Palsies

Cranial nerve palsies affecting vision involve damage to the nerves that control eye movement (oculomotor, trochlear, and abducens nerves - CN III, IV, and VI) and can cause double vision (diplopia), eye misalignment, and other visual disturbances.

Types of Ocular Cranial Nerve Palsies:

  • Third Nerve (Oculomotor) Palsy: Droopy eyelid, outward/downward eye deviation, dilated pupil
  • Fourth Nerve (Trochlear) Palsy: Vertical diplopia, head tilt
  • Sixth Nerve (Abducens) Palsy: Inability to look outward, horizontal diplopia

Common Causes:

  • Microvascular ischemia (diabetes, hypertension)
  • Trauma
  • Aneurysms
  • Brain tumors
  • Multiple sclerosis
  • Increased intracranial pressure
Cranial Nerve Palsies

Case Example

Cranial Nerve Palsy Case

Patient: 54-year-old with diabetes

Presentation: Sudden onset double vision, inability to look left

Diagnosis: Sixth nerve (abducens) palsy due to microvascular ischemia

Treatment: Better diabetes management; temporary prism glasses; condition resolved in 3 months

Our Diagnostic Approach

Neuro-ophthalmologic conditions require thorough evaluation using specialized tests to pinpoint the exact location and cause of the problem.

Visual Field Testing
Essential Test

Visual Field Testing

Measures peripheral vision and maps blind spots to help localize damage along the visual pathway.

What It Detects:
  • Hemianopias from strokes
  • Central scotomas from optic neuritis
  • Bitemporal defects from pituitary tumors
  • Arcuate defects from glaucoma
Optic Nerve Imaging
Advanced

Optic Nerve Imaging

Uses optical coherence tomography (OCT) to measure the thickness of nerve fiber layers in the retina and optic nerve.

What It Detects:
  • Optic nerve thinning from neuritis
  • Papilledema (optic nerve swelling)
  • Retrograde degeneration patterns
  • Progression of nerve damage over time
Neuroimaging
Gold Standard

Neuroimaging

MRI scans with special protocols to visualize the brain, optic nerves, and visual pathways in detail.

What It Detects:
  • MS plaques affecting optic nerves
  • Tumors compressing visual pathways
  • Stroke affecting visual cortex
  • Inflammation of cranial nerves
  • Vascular abnormalities

Our Treatment Approach

Our multidisciplinary team tailors treatment to the specific condition and its underlying cause.

Medical Therapy

  • Steroids for inflammation
  • Immunosuppressants
  • Disease-modifying therapies
  • Medications for underlying causes

Visual Aids

  • Prism glasses for double vision
  • Vision therapy exercises
  • Patching techniques
  • Adaptive technology

Surgical Interventions

  • Strabismus surgery
  • Eyelid procedures for ptosis
  • Ocular implants
  • Coordination with neurosurgery

Multidisciplinary Care

  • Coordination with neurology
  • Rehabilitation specialists
  • Low vision services
  • Support groups
Personalized Treatment Plans

Our neuro-ophthalmologists develop individualized treatment strategies that address not only the visual symptoms but also the underlying neurological condition. This integrated approach ensures comprehensive care and the best possible visual outcomes.

Patient Experiences

Read what our patients have to say about their neuro-ophthalmology care and results.

Schedule Your Consultation Today

Our neuro-ophthalmology specialists are ready to help with complex visual disorders and provide answers to your vision concerns.