Remnants of the hyaloid vascular system Vascular remnant arising from the disk UMLS:C4024160 2009-05-02T06:43:07Z Persistence of the hyaloid artery HP:0009922 Persistent hyaloid artery Persistence of the hyaloid artery, which is the embryonic artery that runs from the optic disc to the posterior lens capsule may persist; the site of attachment may form an opacity. The hyaloid artery is a branch of the ophthalmic artery, and usually regresses completely before birth. persistent hyaloid artery persistent hyaloid artery; vascular remnant arising from the disk