Glaucoma: symptoms and treatment options
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Increased eye pressure that can damage the optic nerve, often without noticeable symptoms early on. Requires regular eye pressure testing.
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Quick answer
Increased eye pressure that can damage the optic nerve, often without noticeable symptoms early on. Requires regular eye pressure testing.
General educational information about a subject, not an assessment of your own eyes. Suitability and treatment decisions are made by a qualified ophthalmologist who has examined you.
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Glaucoma
Increased eye pressure that can damage the optic nerve, often without noticeable symptoms early on. Requires regular eye pressure testing.
Also known as glaucoma, raised eye pressure
Questions about Glaucoma
Each answer below is the short version; the question links to the page that carries it in full, with sources.
- What is glaucoma?
Glaucoma is a group of conditions in which the optic nerve is damaged, usually in association with raised pressure inside the eye, and it typically affects peripheral vision before central vision.
- What are the symptoms of glaucoma?
The common form of glaucoma usually has no symptoms until vision loss is advanced, which is why it is found by examination rather than by noticing something. A sudden painful red eye with blurred vision is a different, acute presentation that needs immediate care.
- Does glaucoma affect whether I can have laser vision correction?
Glaucoma and the treatments for it can affect the measurements used in refractive planning, so it needs to be assessed and disclosed. It does not automatically rule surgery out, and it does change how the assessment is interpreted.
All 34 Eye conditions questions, searchable
Where this is covered in full
- The eye examination before surgery
What each test measures, and why a refraction on its own is not enough.
- The vision knowledge base
Every question the site answers about eyes and vision, grouped by subject, with a search box.
Related subjects
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The lens of the eye becomes cloudy, causing blurred, dimmed vision and increased glare. Common with aging and treatable with surgery.
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The cornea thins and bulges into a cone shape, causing distorted vision and increased sensitivity to light. Usually begins in teenage years or early adulthood.
- Eye pain
Pain in or around the eye. Surface irritation, a foreign body, an infection and raised pressure feel different from one another, and the character of the pain is part of how it is triaged.
- LASIK vs PRK
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- Eye tests in Dubai
What a routine eye test in Dubai covers, how it differs from the assessment before laser surgery, and when a symptom needs something faster than a scheduled appointment.
- Everyday eye care in the UAE
Routine eye care across the Emirates: what a check covers, when to have one, what the climate does to eyes, and which symptoms are worth acting on the same day.
- The eye examination before surgery
What each test measures, and why a refraction on its own is not enough.
- The vision knowledge base
Every question the site answers about eyes and vision, grouped by subject, with a search box.
This page describes what is generally true about glaucoma. It is not a diagnosis, and it cannot say whether a treatment is suitable for you, because suitability depends on measurements taken during an examination.
Sources & further reading
We prefer primary sources. Where a claim comes from a manufacturer, a single study or a regulator, it is labelled as such below.
- Eye Health Information Patient information National Eye Institute, National Institutes of Health (US)
Condition-by-condition eye health information from a US government research institute, written for patients rather than for clinicians.
Used for Plain-language explanations of eye conditions and their symptoms; Healthy vision and screening guidance.
Link checked 23 September 2026
- EyeSmart: eye health information for the public Patient information American Academy of Ophthalmology
Patient-facing material from the largest ophthalmology professional body, covering conditions, tests and treatments outside refractive surgery.
Used for Cross-checking patient-facing explanations of non-refractive eye conditions; Describing what tests such as dilation and OCT involve.
Link checked 23 September 2026
- Cochrane Library Peer-reviewed literature Cochrane
Systematic reviews and meta-analyses. Useful for readers who want to know how strong the pooled evidence is, not just what one trial found.
Used for Helping readers judge the strength of the evidence base.
Link checked 22 September 2026
- The Royal College of Ophthalmologists Professional body The Royal College of Ophthalmologists (UK)
The UK professional body for ophthalmologists, which publishes standards and commissioning guidance for refractive surgery services.
Used for What good preoperative assessment and consent look like.
Link checked 22 September 2026
Guides that explain this
These pages go deeper on the questions that usually follow this one.