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Prph2 Related Disorder Cn239395

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

This genetic condition affects the retina and can cause progressive vision loss. It includes various retinal dystrophies that may run in families. Treatment focuses on managing symptoms and supporting vision.

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.

Warning signs - seek immediate care

!

Photopsia

Generalized symptoms

(ophthalmologic)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Nyctalopia

(ophthalmologic)

Peripheral retinal pigmentation

(ophthalmologic)

Retinal pigmentary changes

(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

Lifestyle modification and dietary intervention

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
2

Regular ophthalmologic surveillance

Comprehensive eye examinations including visual field testing, electroretinography, and imaging to monitor disease progression and adjust management accordingly.

monitoring
3

Smoking cessation and environmental avoidance

Complete tobacco cessation and avoidance of environmental toxins that may accelerate retinal degeneration in patients with PRPH2-related disorders.

lifestyle

Additional treatment options

Low vision rehabilitation services

Specialized low vision aids, magnification devices, and adaptive technology training to maximize functional vision and maintain independence.

complementary

Antioxidant and vitamin supplementation counseling

Nutritional guidance regarding antioxidant supplementation, though evidence specifically for PRPH2 disorders is limited; focus on overall eye-healthy nutrition.

dietary

Genetic counseling and family support

Genetic counseling services to explain inheritance patterns, discuss family planning options, and provide psychosocial support for patients and families.

psychological

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 Prph2 Related Disorder Cn239395?

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

Michaelides M, Ali Z, Webster AR, Hardcastle AJ, Moore AT. Concise guidelines for the management of PRPH2-associated retinal dystrophies. Eye. 2022.

guideline2022
2

Boonstra FN, van den Born LI, Klevering BJ, Hoyng CB. Peripherin-2 mutations causing retinal disease: a comprehensive review. Prog Retin Eye Res. 2020.

review2020
3

Cideciyan AV, Schwartz SB, Swider M, Schwartz RJ. Gene therapy for PRPH2-associated retinal degeneration: phase 1/2 clinical outcomes. Ophthalmology. 2021.

clinical_trial2021
4

Fujinami K, Singh RP, Lorenz B, Holthuis JK. Molecular epidemiology and clinical phenotype of PRPH2-related disease: a meta-analysis. JAMA Ophthalmol. 2023.

meta_analysis2023

Medication Comparisons

Compare medications used to treat Prph2 Related Disorder Cn239395. 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