Angular vein: anatomy at the inner corner of the eye
- Vein
Quick facts
- Formation
- By the union of the supratrochlear and supraorbital veins, near the inner corner of the eye.
- Course
- Runs down beside the nose and, below the rim of the orbit, becomes the facial vein.
- Communication
- With the superior ophthalmic vein and, through it, with the cavernous sinus.
- Relation to the artery
- Generally runs lateral and deeper than the angular artery, with variation.
- Relevance in HOF
- Source of bruising in tear trough filler and part of the bluish color of some under-eye circles.
The angular vein is the vein that begins at the inner corner of the eye, by the union of the supratrochlear and supraorbital veins, and runs down beside the nose. Below the rim of the orbit, it becomes the facial vein. At the top, it communicates with the superior ophthalmic vein and, through it, with the cavernous sinus. In HOF it matters for three reasons: bruising in the under-eye area, the bluish color of thin skin and the concept of the danger triangle of the face.
What is the course of the angular vein?
| Segment | What to note |
|---|---|
| Origin | Inner corner of the eye, by the union of the forehead veins (supratrochlear and supraorbital) |
| Descent | Beside the root and lateral wall of the nose, toward the cheek |
| Tear trough area | Runs deep to the orbicularis oculi muscle, near the rim of the orbit and the ligament of the tear trough |
| Continuation | Becomes the facial vein, which runs diagonally down the face to the neck |
In general, the vein lies lateral and deeper than the angular artery, but the relationship between the two vessels varies between people and between sides. The vein is usually larger and has a more constant course than the artery in this area.
Why does it matter in HOF?
- Bruising and ecchymosis: the vein and its branches lie in the path of procedures in the tear trough and lower eyelid. Venous bleeding in this thin-skinned area usually results in visible ecchymosis or a bruise.
- Color of the under-eye circle: in thin skin, the vein and the venous network can show through and give a bluish tone. Filling the hollow does not remove the color of vascular origin, and this needs to be clear in the conversation with the patient.
- Communication with the skull: the link to the cavernous sinus explains why infections of the central face call for attention.
How does it show up in the assessment?
- Thin skin with visible vessels: observe in good light and record in a standardized photo.
- Stretch test: gently stretching the skin and seeing whether the bluish tone persists helps separate vascular color from pigment.
- History of easy bruising: use of anticoagulants, antiplatelet drugs and supplements raises the chance of ecchymosis.
- Previous under-eye procedures: they change the local anatomy.
The full assessment is in under-eye circles: types and assessment, and the procedure in under-eye filler.
Also called: angular vein of the face, vena angularis.
Frequently asked questions
Can the angular vein make under-eye circles look purple or bluish?
It can contribute. In thin skin, the veins of the area, including the angular vein and its branches, show through and give a bluish tone. In that case the color comes from the vessel, not from pigment, which changes the expectation about treatment.
Is the angular vein connected to the brain?
Indirectly. It communicates with the superior ophthalmic vein, which drains into the cavernous sinus, inside the skull. This is the basis of the danger triangle of the face concept, tied to the rare risk of an infection spreading by this route.