vortex veins

It occurs more commonly in the regions of sclera which are perforated by vortex veins.

Some vortex veins drain into the superior orbital veins and thence to the cavernous sinus.

The vortex veins and posterior ciliary vessels may be cauterized before dividing the nerve and removing the eye.

The vorticose veins, referred to clinically as the vortex veins, drain the ocular choroid.

Some vortex veins drain into the inferior orbital vein which drains into the pterygoid plexus.

The veinous drainage of CIA is : 4 vortex veins that drain into the ophthalmic vein.

Typically, the entrances to the vortex veins in the outer layer of the choroid (lamina vasculosa) can be observed funduscopically and provide an important clinical landmarks identifying the ocular equator.