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Optic Nerve Decompression

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Optic Nerve Decompression

Optic Nerve Decompression (Papilledema) Surgery in Hyderabad, India

Optic nerve decompression is also known as Papilledema. It is a condition of the eye which usually occurs when the pressure from the brain makes the optic nerve swell. It can occur due to several reasons. 

Optic nerve decompression refers to surgical procedures or interventions aimed at relieving pressure on the optic nerve. This condition typically arises when the optic nerve, responsible for transmitting visual information from the eye to the brain, experiences compression or damage. 

The most common and early symptoms are changes to the vision, which include blurring, double vision, a few seconds of loss of vision, and so on. Initially, these changes do not last for long but if the pressure in the brain is continuous then it will be for a longer duration. And in many cases, this also can be permanent. Therefore, it is important to seek medical intervention if any symptoms are seen. Papilledema also triggers other symptoms, such as nausea, headaches, sometimes ringing, and some other noises in the ear.

Causes of Papilledema 

The optic nerve swelling happens when the fluid builds in the optic nerve and the central retinal vein that travels between the brain and the nerve of the eye. The pressure pushes on the nerve and the fluid is unable to flush out from the eye at a normal rate, which causes papilledema. This occurs because of;

  • Injury to the head.

  • Haemoglobin content is low.

  • CSF buildup in your brain.

  • Brain haemorrhage.

  • Inflammation of the brain.

  • Brain tissue inflammation.

  • High blood pressure.

  • Brain tumour.

  • Abscess in the brain.

Sometimes there are no reasons why the pressure in the brain builds up. This is because of the obese body.

Symptoms of Papilledema 

As papilledema is caused by elevated pressure within the brain, its symptoms may include:

  • Headaches
  • Nausea
  • Vomiting
  • Visual disturbances, which may involve double vision
  • A pulsating ringing sound in the ears

Diagnosis of Papilledema

The doctor will do a thorough physical examination to be sure of the overall health and make sure the patient is not suffering from any other symptoms. Doctors will see the vision and check for the blind spots.

Sometimes the doctor will use the tool which is called an ophthalmoscope to look in the eye at  the optic nerve which is through the pupil. If the optic disc looks abnormally blurry, it can be concluded as papilledema. This condition also shows some blood in the eye.

Doctors will carry out some the additional tests like the MRI test and the CT scan to check for any other abnormalities in the brain and the skull. A biopsy may also be recommended to test for any cancerous cells.

Stages of Papilledema 

An ophthalmologist can assess the eye's structure to identify the stage of papilledema in an individual. The stages are as follows:

  • Stage 0: Optic disc is normal, but there is slight blurring in the nasal, superior, and inferior poles.
  • Stage 1: Very early papilledema, noticeable by the obscuring of the nasal border of the disc.
  • Stage 2: Early papilledema, characterized by the obscuration of all disc borders, elevation of the nasal border, and the presence of a halo.
  • Stage 3: Moderate papilledema, indicated by obscurations of all borders, one or more major blood vessels, a halo, and an increased diameter of the optic nerve head.
  • Stage 4: Marked papilledema, featuring elevation of the entire nerve head, obscuration of all borders and a major blood vessel, along with the presence of a halo.
  • Stage 5: Severe papilledema, distinguished by dome-shaped protrusions from the optic nerve head, a narrow halo, destruction of the optic cup, and occasionally, total obscuration of a major blood vessel.

Complications of Papilledema

Papilledema, characterized by swelling of the optic disc due to increased intracranial pressure, can lead to various complications, including:

  • Vision Loss: Persistent papilledema can result in optic nerve damage, leading to vision impairment or even blindness if not appropriately managed.
  • Visual Field Defects: The swelling may cause disruptions in the visual field, leading to blind spots or difficulties in peripheral vision.
  • Optic Atrophy: Prolonged papilledema can contribute to optic nerve atrophy, causing a permanent loss of nerve tissue and visual function.
  • Impaired Color Vision: Changes in the optic nerve and retina may affect color perception, resulting in difficulties in distinguishing between colors.
  • Chronic Headaches: Individuals with papilledema often experience headaches, which can become chronic and debilitating.
  • Nausea and Vomiting: Increased intracranial pressure can lead to symptoms such as nausea and vomiting.

Treatment of Papilledema

Doctors would perform a spinal tap also known as the lumbar puncture, which helps to drain the extra fluid from the brain and also helps in reducing the swelling. Doctors will prescribe some medications to keep the pressure of the nervous system at a normal level. If the cause of papilledema is due to being overweight then the doctor will suggest a plan to lose the weight to reduce the pressure inside the head.

Doctors will also suggest some medications which will further help in reducing the swelling in the brain. Medications and even surgery may be recommended depending on the cause of the condition.

Papilledema is not complicated if the symptoms are observed and treated. This can be treated just by draining away the extra fluid which further reduces the swelling. Once the fluid is removed the symptoms will disappear within a few weeks. Swelling or injury in the brain can be serious if not treated at the right time. So, visit your nearest CARE Hospitals when you notice the symptoms. 

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