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Educational use only: Symptom.Today is an educational tool and does not provide medical advice, diagnosis, or treatment. Results are not a substitute for professional medical care. If symptoms are severe, worsening, or concerning, seek medical attention immediately. In an emergency, call your local emergency number.
EyeSerious

Glaucoma

Damage to the optic nerve, often from elevated eye pressure — can cause blindness.

Severity
Serious
System
Visual / Nervous system
Progression
Slow / Silent
Treatable
Yes — with early detection
Common age
Mostly 50+
Duration
Chronic
Contagious
No
Emergency risk
High
Eye anatomy
Affected: Eye pain
Affected area: Visual / Nervous system

Overview

Damage to the optic nerve, often from elevated eye pressure — can cause blindness.

Symptoms

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Primary symptoms
Eye painOpen analyzer pre-filled with “Eye pain”Vision lossOpen analyzer pre-filled with “Vision loss”Blurred visionOpen analyzer pre-filled with “Blurred vision”HeadacheOpen analyzer pre-filled with “Headache”NauseaOpen analyzer pre-filled with “Nausea”

Causes

  • •Underlying biological factors
  • •Environmental or lifestyle triggers
  • •Genetic predisposition in some cases

Risk factors

  • •Age (more common in certain age groups)
  • •Family history or genetic predisposition
  • •Lifestyle factors such as diet, activity, or smoking
  • •Environmental exposures

How it progresses

4 stages
  1. Stage 1 — Silent
    Often no noticeable symptoms; only detected on routine exam.
    Often missed
  2. Stage 2 — Early changes
    Subtle peripheral or functional changes begin to appear.
  3. Stage 3 — Established
    Clear symptoms that interfere with daily activities.
  4. Stage 4 — Advanced
    Significant impairment if untreated; requires specialist care.

How it's diagnosed

  • •Clinical history
  • •Physical exam

Treatment options

General educational information only — no dosage advice. Always follow guidance from a qualified clinician.

Medical
  • •See a clinician for tailored care
Home care
  • •Rest
  • •Hydration

Complications

  • •Long-term damage if untreated
  • •Permanent vision loss
  • •Optic nerve damage
  • •Recurrence of glaucoma

Prevention

  • •Get regular eye exams
  • •Protect eyes from UV light
  • •Manage screen time and lighting

When to seek help

Urgent — same-day care
  • •Symptoms persist beyond a few days
  • •Symptoms interfere with daily activities
  • •New or worsening symptoms appear
  • •Concerning changes related to glaucoma
🚨 Emergency — call now
  • Sudden eye pain with vision loss — emergency

In any emergency, call your local emergency number or go to the nearest emergency department.

Real-world questions

  • ›Will Glaucoma cause permanent vision loss?
  • ›Can Glaucoma cause headaches?
  • ›Is Glaucoma reversible?
  • ›How quickly does Glaucoma progress?
  • ›Is Glaucoma hereditary?

Compare conditions

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Explore related symptoms

Blurred visionDouble visionVision lossVisual auraEye painEye rednessEye dischargeItchy eyes

Frequently asked questions

What causes Glaucoma?

Glaucoma can result from a combination of biological, lifestyle, and environmental factors.

Is Glaucoma dangerous?

Glaucoma can be serious and may require prompt medical attention, especially if symptoms are severe or worsening.

How long does Glaucoma last?

Duration varies between individuals. Many cases improve with appropriate care, while others may persist longer and require ongoing management.

Can Glaucoma go away on its own?

Glaucoma typically benefits from medical evaluation and should not be ignored.

When should I see a doctor about Glaucoma?

Consider seeing a clinician if symptoms are severe, persistent, worsening, or if you have any concerns related to general.

Sources

Information based on general medical references such as:

CDCNHSWHOMedlinePlus

Last reviewed: May 2026

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Educational use only: Symptom.Today is an educational tool and does not provide medical advice, diagnosis, or treatment. Results are not a substitute for professional medical care. If symptoms are severe, worsening, or concerning, seek medical attention immediately. In an emergency, call your local emergency number.