Editorial
So goes the flow
but not always
| The first 150 words of the full text of this article appear below. |
The arterial blood supply to the anterior segment of the eye comes primarily from the ophthalmic artery and is carried to the eye by the anterior ciliary arteries and the long posterior ciliary arteries. The usual seven anterior ciliary arteries follow a course along the four rectus muscles; however, the two long posterior ciliary arteries take an intrascleral course and are located deep to the medial and lateral rectus muscles. The anterior ciliary arteries and long posterior ciliary arteries contribute to several collateral circulatory systems including the episcleral limbal plexus, the intramuscular circulation within the ciliary body, and the major arterial circle of the iris root.1-3 Because of this extensive collateral supplying the anterior segment, ischaemia following strabismus surgery or manipulation of the ciliary arteries is relatively rare.
Anterior segment ischaemia was first documented in experimental animals
after ocular surgery.4 5 Investigators described irregular dilated pupils and iritis after rectus muscle
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Br. J. Ophthalmol. 2001 85: 214-218.[Abstract] [Full Text] [PDF]
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