retrobulbar


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Related to retrobulbar: retrobulbar neuritis, retrobulbar optic neuritis

retrobulbar

 [ret″ro-bul´bar]
1. behind the pons.
2. behind the eyeball.

ret·ro·bul·bar

(ret'rō-bŭl'băr),
Posterior to the eyeball.
Synonym(s): retroocular

retrobulbar

/ret·ro·bul·bar/ (-bul´bar)
1. behind the medulla oblongata.
2. behind the eyeball.

retrobulbar

[-bul′bər]
Etymology: L, retro, backward, bulbus, swollen root
1 pertaining to the area behind the pons (posterior to the medulla oblongata).
2 pertaining to the area behind the eyeball.

ret·ro·bul·bar

(ret'rō-bŭl'băhr)
Posterior to the eyeball.

retrobulbar 

Behind the eyeball as, for example, retrobulbar optic neuritis. See optic neuritis.

retrobulbar

1. behind the pons.
2. behind the eyeball.

retrobulbar block
regional anesthesia of the eyeball by blocking the nerve supply as it emerges from the orbital fissure. There are two techniques, a four-point injection and the Peterson technique, used in cattle for enucleation of the eyeball.
retrobulbar neuropathy
References in periodicals archive ?
Retrobulbar infection is most commonly confined to the extraconal space, with the subperiosteal space on the medial wall the most frequent location.
Third, the retinal surgeon is placing the stem cells in several places around the retina including retrobulbar, subtenons, intravitreal and intravenous http://bit.
Microophthalmia with cyst represents a severe malformation in which a prominent retrobulbar cyst may communicate with the vitreous cavity, allowing for herniation of vitreous humor through the defect into the cyst.
The prosthesis had entered the orbit in the retrobulbar area and eroded the lateral zygomaticomaxillary buttress and the orbital floor.
The chapter on ophthalmic procedures dismisses sub-Tenon's local anaesthetic block with little more than a mention and comment about conjunctival oedema, while favouring the riskier retrobulbar technique.
The use of hyaluronidase in ophthalmology began as early as 1949, when Atkinson added it to retrobulbar and lid blocks.
A transcutaneous temporal technique also has been described and is useful for visualization of retrobulbar structures.
However, the safer and more common approach in most clinical settings is the retrobulbar injection.
A retrobulbar hemorrhage that was visible to the defendant surgeon occurred during the surgery.
Cesar Berdeja, an anesthesiologist, administered a retrobulbar injection of anesthesia.
Two-thirds of cases of acute demyelinating ON are retrobulbar and the optic nerve appears normal.