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Filtration surgery

Filtration surgery is performed to treat open-angle glaucoma. It is also known as ‘trabeculectomy’. Glaucoma is termed as the diseases which affect the optic nerve and if left untreated, can lead to blindness.

Glaucoma is usually characterized by the increased IOP or intraocular pressure of the eye. The procedure is performed as a measure to avoid loss of vision, by lowering the intraocular pressure. Surgery cannot reverse or improve vision loss.

Why is it needed?

  • Filtration surgery is performed medication fails to reduce IOP, and surgery helps in the prevention of further damage to the optic nerve
Filtration-Surgery

Symptoms

  • In the early stage, glaucoma has no signs and symptoms

Symptoms in a later stage are

  • Loss of peripheral vision
  • Inability or difficulty to adjust the vision in darkened rooms, and focusing too close on work
  • Headache
  • Seeing halos or rainbow-colored rings around lights
  • If a person experiences the above symptoms, it means that irreversible and severe damage has happened already to the eyes.

Facts and Figures

  • According to WHO, Glaucoma is the second leading cause of blindness. Around 10% of people lose their sight even after treatment
  • An estimated 3.7 million people are affected globally by Glaucoma. In the US, 1-2% population suffer from Glaucoma
  • Early diagnosis is the only option right now, as there is no cure for Glaucoma
  • About 2% of the population aged between 40-50 and 8% above 70 have elevated IOP

Preoperative Preparation

  • Full eye exam
  • Get a list of allowed medicines. Inform about previous eye surgery or treatment
  • Inform about allergies, smoking, alcohol habits
  • Put drops in eye prescribed by the surgeon for 2 days before the procedure
  • Arrange leave
  • Arrange caregiver for home and driving
  • Medical tourist should select a hotel room near the clinic/hospital

Post operative care

  • Surgery success depends on conjunctival healing, so surgeon instructions must be followed strictly after the surgery
  • The eye is taped shut and covered after surgery. This bandage is opened after 24 hours
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