Precise Vision Genetic Screening

Leber Hereditary Optic Neuropathy (LHON) Genetic Panel

An advanced genetic panel detecting mitochondrial DNA mutations responsible for optic nerve atrophy, enabling early diagnosis and guiding family members to prevent sudden vision loss.

Trusted medical contentUpdated: 10-11-2026Views: 1LHL-6462

Frequently Asked Questions

Short answers to the FAQs published with this service.

• What is the LHON genetic panel?

It is a laboratory test that examines mitochondrial DNA for specific mutations causing optic nerve degeneration and central vision loss.

• Does the test require fasting before sample collection?

No, this is a genetic test and does not require fasting or any special dietary preparations.

• How is the sample collected for this analysis?

It is typically collected via a simple blood draw from a vein or sometimes through a buccal (cheek) swab.

• Who should undergo this genetic test?

Individuals experiencing unexplained sudden vision loss or those with relatives diagnosed with Leber's disease.

• How long does it take to get the results?

Due to the complexity of genetic sequencing, results usually take between 14 to 21 business days.

• Can I perform this test at home?

Yes, home sample collection service is available for this analysis through our platform for your convenience.

Medical Laboratories

Precise Vision Genetic Screening

Leber Hereditary Optic Neuropathy (LHON) Genetic Panel

An advanced genetic panel detecting mitochondrial DNA mutations responsible for optic nerve atrophy, enabling early diagnosis and guiding family members to prevent sudden vision loss.

Trusted medical contentUpdated: 10-11-2026Views: 1LHL-6462

View service availability

Service typeGenetic Laboratory Test

Duration14-21 business days

Fasting / preparationFasting is not required

Home serviceAvailable

Medical notice: this information is for education and service understanding. It is not a diagnosis or a recommendation for an unnecessary procedure.

About this service

A molecular genetic test evaluating primary mutations linked to LHON. It assists clinicians in identifying the exact genetic cause of vision loss and providing essential family genetic counseling.

Indications for Testing

Sudden, painless loss of central vision in one or both eyes
Family history of Leber Hereditary Optic Neuropathy
Assessing the risk of maternal transmission to offspring

What the Panel Evaluates

The panel screens for the three primary mitochondrial mutations: G11778A, T14484C, and G3460A
It accounts for approximately 90% of all LHON cases

Clinical Significance

Confirms the clinical diagnosis of LHON
Identifies the genotype which may influence visual prognosis
Provides critical information for family genetic counseling

What is included?

✓Blood or swab collection
✓Mitochondrial DNA analysis
✓Detailed genetic report

Conditions and notices

Fasting is not required
Previous ophthalmology medical reports are recommended

Frequently Asked Questions

Short answers to the FAQs published with this service.

• What is the LHON genetic panel?

It is a laboratory test that examines mitochondrial DNA for specific mutations causing optic nerve degeneration and central vision loss.

• Does the test require fasting before sample collection?

No, this is a genetic test and does not require fasting or any special dietary preparations.

• How is the sample collected for this analysis?

It is typically collected via a simple blood draw from a vein or sometimes through a buccal (cheek) swab.

• Who should undergo this genetic test?

Individuals experiencing unexplained sudden vision loss or those with relatives diagnosed with Leber's disease.

• How long does it take to get the results?

Due to the complexity of genetic sequencing, results usually take between 14 to 21 business days.

• Can I perform this test at home?

Yes, home sample collection service is available for this analysis through our platform for your convenience.

Service resources and references

References and additional resources

Reference material and files associated with this service when available.

Scientific references

American Academy of Ophthalmology
National Center for Biotechnology Information (NCBI)

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Important Notice:

Content on LahaLak is provided for educational purposes only. It is not a medical diagnosis, prescription, or substitute for consulting a qualified clinician. Medical decisions should not be made from this content alone.

Content reviewed according to the LahaLak Quality Charter.Editorial Policy & Medical Standards

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