Understanding Glaucoma: Symptoms, Causes, Diagnosis, and Treatment

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Welcome to Itees Eye Hospital’s comprehensive guide to understanding glaucoma. In this blog post, we’ll explore everything you need to know about this sight-threatening condition, including its symptoms, causes, diagnosis, and treatment options. Whether you’re seeking information for yourself or a loved one, we’re here to provide valuable insights into what is glaucoma and how it can be managed effectively.

What is Glaucoma?

Glaucoma is a group of eye conditions that damage the optic nerve, leading to progressive vision loss and, if left untreated, blindness. It’s often associated with elevated intraocular pressure (IOP), but it can also occur with normal or low IOP. Glaucoma is a leading cause of irreversible blindness worldwide, making early detection and treatment essential for preserving vision.

Glaucoma Symptoms

  • Gradual Loss of Peripheral Vision: Glaucoma often progresses slowly, starting with the loss of peripheral vision. This may go unnoticed until it advances to more significant visual impairment.
  • Blurred Vision: As the condition progresses, central vision may become blurred or distorted, making it difficult to see objects.
  • Halos Around Lights: Some individuals with glaucoma experience halos or glare around lights, particularly at night.
  • Eye Pain or Headaches: Acute angle-closure glaucoma can cause severe eye pain, headaches, and even nausea and vomiting.

Causes of Glaucoma

The exact cause of glaucoma is not fully understood, but it’s often associated with increased intraocular pressure (IOP), which can damage the optic nerve over time. Other risk factors for glaucoma include:

  • Age: The risk of glaucoma increases with age, particularly after the age of 60.
  • Family History: Individuals with a family history of glaucoma are at higher risk of developing the condition themselves.
  • Ethnicity: Certain ethnic groups, such as African Americans and Hispanics, are more prone to developing glaucoma.
  • Medical Conditions: Conditions like diabetes, hypertension, and cardiovascular disease can increase the risk of glaucoma.

Diagnosis and Treatment

Early detection and treatment are crucial for managing glaucoma and preserving vision. Diagnosis typically involves a comprehensive eye examination, including:

  • Tonometry: Measures intraocular pressure (IOP).
  • Ophthalmoscopy: This allows the doctor to examine the optic nerve for signs of damage.
  • Visual Field Testing: Evaluates peripheral vision loss.
  • Gonioscopy: Assesses the angle where the iris meets the cornea to determine the type of glaucoma.

Treatment options for glaucoma may include:

  • Medication: Eye drops or oral medications to reduce intraocular pressure.
  • Laser Therapy: Procedures like selective laser trabeculoplasty (SLT) or laser peripheral iridotomy (LPI) to improve drainage of fluid from the eye.
  • Surgery: In cases where medication and laser therapy are ineffective, surgical procedures like trabeculectomy or shunt implantation may be necessary.


Glaucoma is a serious eye condition that can lead to vision loss and blindness if left untreated. However, with early detection and appropriate treatment, vision loss can often be slowed or prevented. If you’re experiencing symptoms of glaucoma or have risk factors for the condition, don’t wait schedule a comprehensive eye examination with a qualified eye care professional today. At Itees Eye Hospital, we’re committed to providing compassionate, state-of-the-art care for individuals with glaucoma and other eye conditions. Contact us to learn more about what is glaucoma, and let us help you preserve your vision for a lifetime of clear sight.

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