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Standard

Congenital glaucoma

CYP1B1 · rs72480437

Strength of the evidence

4 / 4

ClinVar classifies it as disease-causing (or likely), reviewed at 3 of 4 stars.

How this is scored

4: ClinVar disease-causing, reviewed by an expert panel or a guideline (3–4 stars). 3: ClinVar, several labs agreeing (2 stars), or a genetic study at p ≤ 10−50. 2: ClinVar from one lab (1 star), or p ≤ 10−20. 1: ClinVar submitted without criteria (0 stars), or genome-wide significance (p ≤ 5×10−8). The higher of the two counts. It says how solid the evidence is, not whether it matters for a particular person.

What ClinVar records

Classification Pathogenic for Congenital glaucoma, Glaucoma 3A, Anterior segment dysgenesis 6, CYP1B1-related glaucoma with or without anterior segment dysgenesis; reviewed by expert panel (3 of 4 stars, 3 submitters), last evaluated 2026-10-27. ClinVar record 2734165 NM_000104.4(CYP1B1):c.243C>G (p.Tyr81Ter)

Classification Likely benign for Congenital glaucoma; criteria provided, single submitter (1 of 4 stars, 1 submitter), last evaluated 2023-08-10. ClinVar record 3000025 NM_000104.4(CYP1B1):c.243C>T (p.Tyr81=)

Change history 2026-11-01: review level 2 → 3 stars.

What this is ClinVar's aggregate record for this position (as of its 2026-11-09 release), not a result about you. A classification describes the variant against the condition named, as laboratories submitted it. Whether a person carries this variant, and what that would mean for them, is a question for a clinical test and a genetic counsellor.

How common each version is

ACG
Korean KRGDB
C 0.0% · G 100.0%
Korean Korea4K
C 0.0% · G 100.0%
Korean Korea1K
C 0.1% · G 99.9%
Japanese ToMMo
G 100.0%
World gnomAD
G 100.0%
World TOPMed
G 100.0%

The share of all copies of this position that are each version. Source: the population studies published in dbSNP (US NCBI); each row names its study.

What each result means

C/C Two copies of the version ClinVar lists as disease-causing for Congenital glaucoma. A result like this should be confirmed by a medical genetic test and talked through with a doctor; consumer DNA files can misread rare variants. (ClinVar VCV002734165, criteria provided, multiple submitters, no conflicts)
C/G One copy of the version ClinVar lists as disease-causing for Congenital glaucoma. Some conditions need only one copy; for others, one copy makes a person a carrier who is usually healthy but can pass it on. A genetic counsellor can say which applies. (ClinVar VCV002734165, criteria provided, multiple submitters, no conflicts)
G/G No copy of the version ClinVar lists as disease-causing for Congenital glaucoma. This is the usual result. (ClinVar VCV002734165, criteria provided, multiple submitters, no conflicts)

Source: ClinVar VCV002734165, criteria provided, multiple submitters, no conflicts

Quoting this page

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Congenital glaucoma (rs72480437). MyGeneLog™. https://www.mygenelog.com/variants/rs72480437

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