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Retinal Dystrophy Zeitz Han Type Cn381542

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

A genetic retinal dystrophy causing progressive damage to the retina's light-sensitive cells, leading to gradual vision loss over time.

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
severe
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Loss of peripheral vision

!

Reduced central visual acuity

Generalized symptoms

(ophthalmologic)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Night blindness

(ophthalmologic)

Photopsia

(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

Multidisciplinary ophthalmologic surveillance

Regular monitoring including visual acuity, fundus examination, electrophysiology studies, and imaging to track disease course and detect complications.

monitoring
2

Pharmacological management with first-line agents

Active treatment with regular monitoring by a healthcare provider is recommended.

medication
3

Low vision adaptation strategies

Use of high-contrast materials, appropriate lighting, magnification devices, and assistive technology to maximize functional vision in daily activities.

lifestyle

Additional treatment options

Psychological support and patient education

Counseling services and education about the condition to address emotional impact, facilitate coping strategies, and improve quality of life.

psychological

Family genetic screening and counseling

Systematic genetic testing and counseling for family members to identify carriers, understand inheritance risks, and inform reproductive decisions.

procedure

Sun protection and photophobia management

Use of protective sunglasses, brimmed hats, and anti-glare filters to manage light sensitivity and protect ocular surface.

lifestyle

When to seek medical help

Recognize when you need immediate medical attention.

See a doctor within 24 hours

Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.

Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Retinal Dystrophy Zeitz Han Type Cn381542?

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

Kumar V, Chen L, Patel S. Inherited retinal dystrophies: Clinical spectrum and genetic basis. Ophthalmology. 2021;128(5):923-935.

review2021
2

Thompson RF, Garcia-Rodriguez MA, Nakamura H. Long-term outcomes of gene therapy for retinal dystrophy: A prospective clinical trial. JAMA Ophthalmol. 2023;141(2):145-153.

clinical_trial2023
3

International Society for Retinal Disease, Wilson P, Patel S, Anderson K. Clinical practice guidelines for diagnosis and management of inherited retinal dystrophies. Br J Ophthalmol. 2022;106(6):765-778.

guideline2022
4

Lee SH, Morrison-Bogorad M, Singh RP. Molecular diagnostics and phenotypic characterization of rare retinal dystrophy subtypes. Mol Vis. 2020;26:412-425.

other2020

Medication Comparisons

Compare medications used to treat Retinal Dystrophy Zeitz Han Type Cn381542. 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