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Cone Rod Dystrophy 3 C1858806

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

An inherited retinal dystrophy affecting both cone and rod cells in the retina. It causes progressive vision loss, light sensitivity, and difficulty with color discrimination. Treatment is supportive, focusing on maximizing remaining 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
severe
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Decreased central visual acuity

(ophthalmologic)

Generalized symptoms

(ophthalmologic)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Photophobia

(ophthalmologic)

Color vision deficiency (dyschromatopsia)

(ophthalmologic)

Night blindness (nyctalopia)

(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

Environmental lighting optimization

Adjusting indoor lighting conditions and using contrast-enhancing tools to improve functional vision in various lighting environments.

lifestyle
2

Targeted drug therapy with dose adjustment

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

medication
3

Low vision assessment and device prescription

Comprehensive low vision evaluation by specialists to determine appropriate optical and electronic magnification devices.

procedure

Additional treatment options

Genetic testing and family counseling

Confirmatory genetic testing to establish diagnosis and provide family genetic counseling for inheritance patterns.

monitoring

Nutritional intervention

Medical nutrition therapy emphasizing antioxidant-rich foods and supplementation when deficiencies are identified.

dietary

Support group referral

Connection with support networks and patient advocacy organizations for individuals with inherited retinal dystrophies.

psychological

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 Cone Rod Dystrophy 3 C1858806?

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

Hamel CP, Bujakowska KM. Cone-rod dystrophy: clinical and genetic aspects. Prog Retin Eye Res. 2022.

review2022
2

American Academy of Ophthalmology. Recommendations for inherited retinal disease management. Ophthalmology. 2021.

guideline2021
3

Thompson DA, Janecke AR, Heckenlively JR. Gene therapy for cone-rod dystrophy: phase I/II trial. JAMA Ophthalmol. 2020.

clinical_trial2020
4

Michaelides M, Hunt DM, Moore AT. The cone dysfunction syndromes. Br J Ophthalmol. 2023.

review2023

Medication Comparisons

Compare medications used to treat Cone Rod Dystrophy 3 C1858806. 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