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Achromatopsia 3 C1849792

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

Achromatopsia 3 is a rare inherited eye disorder affecting the cone cells in the retina. It causes complete color blindness, extreme light sensitivity, and reduced visual acuity from birth. Management includes tinted lenses, special filters, and low-vision aids to improve daily functioning.

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

!

Severe visual impairment (20/200 or worse)

Complete color blindness (achromatopsia)

(ophthalmologic)

Generalized symptoms

(ophthalmologic)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Photophobia (light sensitivity)

(ophthalmologic)

Nystagmus (involuntary eye movements)

(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

Prescription tinted lenses

Specialty colored filters in glasses or contact lenses reduce light sensitivity and may improve contrast perception for some patients with achromatopsia. Different colors may be trialed to find optimal visual comfort.

complementary
3

Photophobia management strategies

Using wide-brimmed hats, visors, and avoiding bright environments minimizes photophobia and improves visual comfort during daily activities. Environmental modifications at home, school, and work can reduce symptoms.

lifestyle

Additional treatment options

Low vision support services

Counseling and support groups help address the psychosocial impact of achromatopsia, including educational support for children and vocational guidance for adults managing this lifelong condition.

psychological

Low vision aids and assistive technology

Magnifiers, specialized lighting, and digital assistive devices help with reading and daily tasks despite reduced visual acuity. Technology continues to advance with apps designed for visually impaired users.

lifestyle

Ophthalmologic surveillance

Regular comprehensive eye examinations monitor visual function, assess for associated conditions like nystagmus or strabismus, and evaluate effectiveness of current management strategies.

monitoring

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 Achromatopsia 3 C1849792?

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

Kohl S, Weisschuh N, Zobor D. Molecular genetics of achromatopsia: current understanding and therapeutic implications. Surv Ophthalmol. 2022.

review2022
2

Moore BA, Lorenz B, Michaelides M. European consensus guidelines for the diagnosis and management of achromatopsia. Orphanet J Rare Dis. 2021.

guideline2021
3

Hirji N, Georgiou M, Kalitzeos A. Safety and efficacy of gene therapy for CNGA3-linked achromatopsia: a phase 1/2 trial. Nat Med. 2023.

clinical_trial2023
4

Weiss S, Langmann T, Wissinger B. Clinical phenotype and genotype spectrum of CNGA3-associated achromatopsia: systematic review and meta-analysis. Ophthalmology. 2020.

meta_analysis2020

Medication Comparisons

Compare medications used to treat Achromatopsia 3 C1849792. 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