--- license: permission_granted topic_id: companion_breed_health_australian_shepherd_persistent_hyaloid_artery_pha_dog category: companion-breed-health title: "Australian Shepherd — Persistent hyaloid artery (PHA) (hereditary; OMIA-verified breed predisposition)" lang: en source: "OMIA (Online Mendelian Inheritance in Animals, University of Sydney) breed-specific hereditary-disorder record, saved verbatim to source_file; C1 substring-verified. Pulled 2026-08-02 from local OMIA database dump." source_file: pdf-raw/breed-health/australian_shepherd_persistent_hyaloid_artery_pha_2993.txt date_parsed: 2026-08-02 tokens_estimated: 135 verification: method: substring_match claims: 4 passed: 4 date: 2026-08-02 recovered: false path: companion-breed-health/companion_breed_health_australian_shepherd_persistent_hyaloid_artery_pha_dog/01_companion_breed_health_australian_shepherd_persistent_hyaloid_artery_pha_dog.md source_document: "OMIA — Online Mendelian Inheritance in Animals (University of Sydney)" citation: authority: "OMIA — Online Mendelian Inheritance in Animals (University of Sydney)" title: "Australian Shepherd — Persistent hyaloid artery (PHA) (hereditary; OMIA-verified breed predisposition)" url: "https://omia.org/OMIA001519/9615/" retrieved: "2026-08-02" ref: "OMIA breed-specific hereditary-disorder records (omia.org), derived from local OMIA database dump; dataset: https://doi.org/10.25910/2AMR-PV70" doc_type: "academic animal-genetics database (breed-specific disorder entries)" needs_review: false
Australian Shepherd — Persistent hyaloid artery (PHA) (hereditary; OMIA-verified breed predisposition)
Source: first-hand OMIA (University of Sydney) breed-specific hereditary-disorder record, saved verbatim to source_file; every claim below is a C1 byte-substring of it.
Claims
Breed: Australian Shepherd (Dog)Disorder: Persistent hyaloid artery (PHA)Summary: Genetics Committee of the American College of Veterinary Opthalmologists (2021): congenital defect resulting from abnormalities in the development and regression of the hyaloid artery. The blood vessel remnant can be present in the vitreous as a small patent vascular strand (PHA) or as a non-vascular strand that appears gray-white (persistent hyaloid remnant)Defect: yes
Evidence (references)
Derived from OMIA database dump (omia.xml, local); structured field, not verbatim prose.
- 2007. A retrospective evaluation of congenital ocular defects in Australian Shepherd dogs in Australia.. Vet Ophthalmol — PubMed:PMID17204124 | DOI:10.1111/j.1463-5224.2007.00486.x — OMIA Phene_Article / Article
- 2021. The Blue Book: Ocular disorders presumed to be inherited in purebred dogs. 13th Edition. https://ofa.org/wp-content/uploads/2022/10/ACVO-Blue-Book-2021.pdf — OMIA Phene_Article / Article
Evidence (references)
Derived from OMIA database dump (omia.xml, local); structured field, not verbatim prose.
- 2007. A retrospective evaluation of congenital ocular defects in Australian Shepherd dogs in Australia. Vet Ophthalmol — PubMed:PMID17204124 | DOI:10.1111/j.1463-5224.2007.00486.x — OMIA Phene_Article / Article
- 2021. The Blue Book: Ocular disorders presumed to be inherited in purebred dogs. 13th Edition. https://ofa.org/wp-content/uploads/2022/10/ACVO-Blue-Book-2021.pdf — OMIA Phene_Article / Article
Evidence (references)
Derived from OMIA database dump (omia.xml, local); structured field, not verbatim prose. First-hand values below are verbatim substrings of the topic's pdf-raw/omia/<phene_id>.txt source file.
- 2007. A retrospective evaluation of congenital ocular defects in Australian Shepherd dogs in Australia. Vet Ophthalmol — PubMed:PMID17204124 | DOI:10.1111/j.1463-5224.2007.00486.x — OMIA Phene_Article / Article
- 2021. The Blue Book: Ocular disorders presumed to be inherited in purebred dogs. 13th Edition. https://ofa.org/wp-content/uploads/2022/10/ACVO-Blue-Book-2021.pdf — OMIA Phene_Article / Article
verification_derived: method: derived_from_dataset source: "OMIA database dump (omia.xml, local); fields Gene/Variant/Article/OMIM" note: "Structured fields (gene, variant rsID/protein change, PubMed/DOI references, OMIM cross-link) extracted from OMIA dump and presented with first-hand values; not verbatim prose."
Evidence (references)
Derived from OMIA database dump (omia.xml, local); structured field, not verbatim prose. First-hand values below are verbatim substrings of the topic's pdf-raw/omia/<phene_id>.txt source file.
- 2007. A retrospective evaluation of congenital ocular defects in Australian Shepherd dogs in Australia. Vet Ophthalmol — PubMed:PMID17204124 | DOI:10.1111/j.1463-5224.2007.00486.x — OMIA Phene_Article / Article
- 2021. The Blue Book: Ocular disorders presumed to be inherited in purebred dogs. 13th Edition. https://ofa.org/wp-content/uploads/2022/10/ACVO-Blue-Book-2021.pdf — OMIA Phene_Article / Article
verification_derived: method: derived_from_dataset source: "OMIA database dump (omia.xml, local); fields Gene/Variant/Article/OMIM" note: "Structured fields (gene, variant rsID/protein change, PubMed/DOI references, OMIM cross-link) extracted from OMIA dump and presented with first-hand values; not verbatim prose."
Evidence (references)
Derived from OMIA database dump (omia.xml, local); structured field, not verbatim prose. First-hand values below are verbatim substrings of the topic's pdf-raw/omia/<phene_id>.txt source file.
- 2007. A retrospective evaluation of congenital ocular defects in Australian Shepherd dogs in Australia. Vet Ophthalmol — PubMed:PMID17204124 | DOI:10.1111/j.1463-5224.2007.00486.x — OMIA Phene_Article / Article
- 2021. The Blue Book: Ocular disorders presumed to be inherited in purebred dogs. 13th Edition. https://ofa.org/wp-content/uploads/2022/10/ACVO-Blue-Book-2021.pdf — OMIA Phene_Article / Article
verification_derived: method: derived_from_dataset source: "OMIA database dump (omia.xml, local); fields Gene/Variant/Article/OMIM" note: "Structured fields (gene, variant rsID/protein change, PubMed/DOI references, OMIM cross-link) extracted from OMIA dump and presented with first-hand values; not verbatim prose."