Glaucoma is one of the leading causes of irreversible blindness worldwide—and what makes it especially dangerous is that it often develops without obvious symptoms. Many people don’t realize anything is wrong until vision loss has already occurred.

At Desert Elite Eye Group, we believe education and early detection are key. Whether you’ve been told you have high eye pressure, have a family history of glaucoma, or simply want to protect your long-term vision, this guide will help you understand glaucoma, recognize risk factors, and know when to schedule an eye exam.

What Is Glaucoma?

Glaucoma is a group of eye diseases that damage the optic nerve, which is responsible for sending visual information from your eye to your brain. Most types of glaucoma are linked to increased intraocular pressure (IOP), but glaucoma can also occur even when eye pressure is normal.

The optic nerve is delicate. When it becomes damaged, vision loss begins—typically in the peripheral (side) vision first. Over time, untreated glaucoma can progress to tunnel vision and eventually blindness.

Why Glaucoma Is So Serious

Glaucoma is often called the “silent thief of sight” because:

• It can progress with no pain
• It can cause no noticeable symptoms early on
• Vision loss from glaucoma is permanent
• Many people don’t seek care until vision changes are obvious

The good news: with regular eye exams and early intervention, glaucoma can often be managed successfully, preserving vision for life.

Common Types of Glaucoma

1) Primary Open-Angle Glaucoma (POAG)

This is the most common form of glaucoma in the United States. It develops slowly as the eye’s drainage system becomes less efficient, causing pressure to build up gradually.

Most patients have no early symptoms.

2) Angle-Closure Glaucoma (Closed-Angle Glaucoma)

This type happens when the eye’s drainage angle becomes blocked. It can occur gradually or suddenly.

A sudden attack is a medical emergency and may cause:

• Severe eye pain
• Headache
• Nausea/vomiting
• Blurred vision
• Halos around lights
• Red eye

If these symptoms occur, seek emergency care immediately.

3) Normal-Tension Glaucoma

In this type, optic nerve damage occurs even though eye pressure readings may be in the “normal” range.

This highlights why glaucoma screening requires more than just a pressure check.

4) Secondary Glaucoma

Glaucoma caused by another condition such as:

• Eye trauma
• Certain medications (especially steroids)
• Eye inflammation
• Cataracts or tumors
• Diabetes-related eye disease

5) Congenital Glaucoma

A rare form present at birth or early childhood due to abnormal eye development.

Who Is at Risk for Glaucoma?

Glaucoma can affect anyone, but some people are at higher risk. Risk factors include:

• Age 40+ (risk increases with age)
• Family history of glaucoma
• High eye pressure
• African American, Hispanic/Latino, or Asian heritage
• Diabetes
• High blood pressure or poor circulation
• History of eye injury
• Long-term steroid use
• Thin corneas
• Severe nearsightedness (myopia)

If you fall into any of these categories, routine glaucoma screenings are especially important.

Signs and Symptoms of Glaucoma

In many cases, glaucoma has no early symptoms, but as it progresses, signs may include:

• Gradual loss of side vision
• Difficulty seeing in dim lighting
• Frequent changes in glasses prescription
• Blurry vision
• Halos around lights
• Eye pain or pressure (more common in angle-closure)

How Glaucoma Is Diagnosed

At Desert Elite Eye Group, diagnosing glaucoma involves more than one test. A complete evaluation may include:

• Eye pressure measurement (tonometry)
• Optic nerve examination
• Optical Coherence Tomography (OCT) to measure nerve fiber thickness
• Visual field testing to detect peripheral vision loss
• Corneal thickness measurement (pachymetry)
• Gonioscopy to assess the drainage angle

These tests help detect glaucoma early and track changes over time.

Glaucoma Treatment Options

While glaucoma cannot be cured, it can usually be managed effectively. Treatment is designed to:

• Lower eye pressure
• Prevent further optic nerve damage
• Preserve existing vision

Prescription Eye Drops

Often the first line of treatment. Drops may:

• Reduce fluid production
• Improve drainage
• Lower eye pressure

Consistency is critical—missing doses can allow pressure to rise again.

Laser Treatments

Depending on the type of glaucoma, laser procedures may help improve drainage or reduce pressure, such as:

• Laser trabeculoplasty (for open-angle glaucoma)
• Laser iridotomy (for narrow/angle-closure risk)

Surgical Procedures

If glaucoma progresses despite drops or laser therapy, surgery may be recommended to create a new drainage pathway.

Can Glaucoma Be Prevented?

You can’t always prevent glaucoma, but you can dramatically reduce your risk of vision loss by:

• Scheduling regular eye exams
• Getting screened earlier if you’re high-risk
• Following treatment plans exactly
• Keeping follow-up appointments
• Managing systemic conditions like diabetes and blood pressure

Glaucoma Q&A: Frequently Asked Questions

Q1: Can glaucoma cause blindness?

Yes. If untreated, glaucoma can lead to permanent vision loss and blindness. However, early detection and treatment can often prevent severe vision loss.

Q2: Does glaucoma always come from high eye pressure?

No. While many cases involve high eye pressure, normal-tension glaucoma can occur even with normal readings.

Q3: If I have glaucoma, will I go blind?

Not necessarily. Many patients maintain useful vision for life with consistent treatment and monitoring.

Q4: Is glaucoma hereditary?

It can be. A family history significantly increases risk, so relatives of glaucoma patients should get regular screenings.

Q5: Can glaucoma be detected during a routine eye exam?

Yes—if the exam includes glaucoma screening tests. Pressure checks alone aren’t enough, which is why comprehensive evaluations are important.

Q6: What does glaucoma vision loss look like?

It typically starts with peripheral vision loss, creating blind spots that worsen over time. Many people don’t notice it until it becomes advanced.

Q7: Can glaucoma be cured?

No, glaucoma cannot be cured. But it can usually be managed to prevent further damage.

Q8: Are glaucoma eye drops safe long-term?

Most patients use them long-term without major issues, but some may experience side effects such as:

• Redness
• Dryness
• Stinging
• Darkening of eyelids/iris (certain medications)

Your doctor can adjust medications if side effects occur.

Q9: Can cataract surgery help glaucoma?

In some cases, yes. Cataract surgery may lower eye pressure slightly and improve drainage, especially in certain eye anatomies.

Q10: How often should glaucoma patients be seen?

It depends on severity. Some patients need monitoring every few months, while others may be stable with visits every 6–12 months.

Q11: Can lifestyle changes help glaucoma?

Healthy habits support overall eye health. Helpful practices include:

• Regular exercise (as approved by your doctor)
• Managing blood pressure and diabetes
• Avoiding smoking
• Taking medications as prescribed

Lifestyle changes don’t replace medical treatment, but they can support better outcomes.

Q12: Should I get screened even if I have no symptoms?

Absolutely. Glaucoma often causes no symptoms until permanent damage has occurred.

Protect Your Vision with Early Detection

Glaucoma is serious—but it doesn’t have to steal your sight. The most powerful tool we have against glaucoma is early detection through comprehensive eye exams and consistent monitoring.

If you’re due for an eye exam, have a family history of glaucoma, or want peace of mind about your eye health, Desert Elite Eye Group is here to help.

Contact Desert Elite Eye Group

Desert Elite Eye Group
Website: deserteyedoc.com
Appointments: https://deserteyedoc.com/appointments/

Palm Springs Location

Phone: (760) 320-8497
Address: 1180 North Indian Canyon Drive, Suite 130, Palm Springs, CA 92262

Palm Desert Location

Phone: (760) 776-8600
Address: 45175 Panorama Drive, Suite B, Palm Desert, CA 92260