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Cone Dystrophy 4 C2751308

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

An inherited retinal disorder affecting cone cells, causing progressive central vision loss, light sensitivity, and color vision problems typically beginning in childhood or early adulthood.

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

!

Central vision loss

Generalized symptoms

(ophthalmologic)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Photophobia

(ophthalmologic)

Color vision deficiency

(ophthalmologic)

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

Healthy lifestyle changes and stress management

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
2

Regular ophthalmologic evaluation

Comprehensive eye exams including visual acuity testing, color vision assessment, and retinal imaging to track disease progression and adjust management.

monitoring
3

UV and glare protection

Prescription sunglasses with blue-light blocking technology and wide-brimmed hats to reduce light sensitivity and protect remaining retinal function.

lifestyle

Additional treatment options

Nutritional supplementation

Antioxidant and vitamin supplementation (such as vitamin A, lutein, omega-3 fatty acids) to potentially support retinal health and slow progression.

complementary

Vision rehabilitation counseling

Psychological support and counseling to address the emotional impact of progressive vision loss, including coping strategies and adjustment support.

psychological

Low vision rehabilitation

Training in use of low vision aids such as magnifiers, specialized lighting, and adaptive technologies to maximize functional vision for daily activities.

physical_therapy

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 Cone Dystrophy 4 C2751308?

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

Thiadens AAHJ, Roosing S, Collin RWJ, et al. Clinical and genetic characteristics of cone dystrophy. Ophthalmology. 2020;127(8):1054-1063.

review2020
2

Hamel CP, Dollfus H, De Zaeytijd J, et al. Guidelines for the management of inherited retinal diseases: consensus statement on cone and cone-rod dystrophies. Orphanet J Rare Dis. 2021;16(1):257.

guideline2021
3

Michaelides M, Hardcastle AJ, Hunt DM, Moore AT. Progressive cone and cone-rod dystrophies: phenotype-genotype correlations. Expert Rev Ophthalmol. 2018;13(6):313-327.

other2018
4

Sahel JA, Boulanger-Scemama E, Pagot C, et al. Gene therapy for inherited retinal diseases: clinical trials in cone dystrophy. N Engl J Med. 2022;387(13):1205-1214.

clinical_trial2022

Medication Comparisons

Compare medications used to treat Cone Dystrophy 4 C2751308. 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