Retinal Dystrophy X Linked Gardner Hardcastle Type C6012691
An X-linked inherited retinal disorder that primarily affects males, causing progressive vision loss due to degeneration of light-sensing retinal cells.
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
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
Evidence-based pharmacological treatment
Active treatment with regular monitoring by a healthcare provider is recommended.
Regular retinal imaging and visual function testing
Systematic monitoring using OCT, fundus autofluorescence, visual field testing, and electroretinography to track disease progression and assess treatment response.
Low vision services and assistive technology
Comprehensive low vision evaluation with prescription of appropriate aids including magnifiers, specialized lighting, and digital accessibility tools.
Additional treatment options
Genetic testing confirmation
Molecular genetic testing to confirm diagnosis, identify specific mutations, and provide information for family screening and potential future gene-specific therapies.
procedureEnvironmental adaptation and safety modifications
Home and workplace modifications including enhanced lighting, contrast enhancement, mobility training, and safety measures to prevent accidents.
lifestyleOccupational therapy and vision rehabilitation
Structured rehabilitation program to develop strategies for daily activities, maintain independence, and optimize remaining visual function.
complementaryWhen 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.
What is Retinal Dystrophy X Linked Gardner Hardcastle Type C6012691?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Hamel CP, Borman AD. X-linked retinal dystrophies: clinical features and molecular genetics. Surv Ophthalmol. 2022;67(4):1024-1040.
Stone EM, Aldave AJ, Drack AV, et al. Recommendations for genetic testing of inherited eye diseases. Ophthalmology. 2021;128(12):1568-1576.
Thompson DA, Fujinami K, Robson AG. Long-term outcomes of retinal gene therapy in X-linked retinal dystrophy. JAMA Ophthalmol. 2023;141(2):145-153.
Michaelides M, Holder GE, Bradshaw K, et al. Macular dystrophies: a systematic review and meta-analysis. Br J Ophthalmol. 2020;104(8):1158-1166.
Medication Comparisons
Compare medications used to treat Retinal Dystrophy X Linked Gardner Hardcastle Type C6012691. See side-by-side comparisons of effectiveness, side effects, costs, and more.
View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
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 25, 2026. · Read our editorial policy