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Glaucoma 1 Open Angle L Cn042941

Published: July 22, 2026Updated: August 20, 2026

Open angle glaucoma is a genetic condition that damages the optic nerve over time. Early detection and treatment help preserve vision in affected individuals.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
Q15.9
ICD-11
LA00.0
Body system
ophthalmologic
Severity
moderate
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Generalized symptoms

(ophthalmologic)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Peripheral vision loss

(ophthalmologic)

Halos around lights

(ophthalmologic)

Eye pain

(ophthalmologic)

Elevated intraocular pressure

(ophthalmologic)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

Standard diagnostic workup

Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]

Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]

Treatment options

Evidence-based approaches to managing this condition.

First-line treatments

1

Dietary counseling and physical activity plan

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
2

Intraocular pressure-lowering eye drops

Topical medications that reduce intraocular pressure through various mechanisms such as decreasing aqueous humor production or increasing outflow.

medication
3

Selective laser trabeculoplasty

Minimally invasive laser procedure that improves aqueous humor drainage through targeted application to the trabecular meshwork.

procedure

Additional treatment options

Minimally invasive glaucoma surgery

Micro-incisional surgical techniques that create new drainage pathways or implant tiny devices to lower intraocular pressure.

surgical

Comprehensive glaucoma monitoring

Regular assessment including intraocular pressure measurements, visual field testing, and optic nerve imaging to track disease progression.

monitoring

Cardiovascular fitness program

Regular aerobic exercise has been shown to modestly reduce intraocular pressure and support overall eye health.

lifestyle

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Glaucoma 1 Open Angle L Cn042941?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

Weinreb RN, Leung CK, Crowston JG, et al. International glaucoma society guidelines for primary open-angle glaucoma. Br J Ophthalmol. 2021.

guideline2021View source →
2

Kapetanakis VV, Chan MP, Foster PJ, et al. Global variations and time trends in the prevalence of primary open angle glaucoma (POAG): a systematic review and meta-analysis. Br J Ophthalmol. 2016.

review2016View source →
3

Garway-Heath DF, Lascaratos G, Bunce C, et al. The United Kingdom Glaucoma Treatment Study: a multicenter, randomized, placebo-controlled trial. Ophthalmology. 2015.

clinical_trial2015View source →
4

Li F, Tang G, Zhang H, et al. Prostaglandin analogs versus beta-blockers for ocular hypertension and open-angle glaucoma: an updated meta-analysis. J Glaucoma. 2020.

meta_analysis2020View source →

Medication Comparisons

Compare medications used to treat Glaucoma 1 Open Angle L Cn042941. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy