retrobulbar


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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 ?
Graves' ophthalmopathy usually presents as bilateral, symmetrical enlargement of the extraocular muscles associated with increase in retrobulbar fat volume.
Rate of progression of glaucoma correlates with retrobulbar circulation and intraocular pressure.
Diagnosis of retrobulbar round cell neoplasia in a macaroni penguin (Eudyptes chrysolophus) through use of computed tomography.
The volume of retrobulbar space was calculated by software using 'contouring' method for the right and left orbit separately (11) (Fig.
A successful case of trabeculectomy without adjunctive antimetabolites performed with retrobulbar anesthesia has been reported in a pregnant patient.
Delays in the diagnosis are possible because of the wide range of differential diagnoses of unilateral retrobulbar optic neuropathy.
Surgical manipulation of eye was performed in conscious animals, under the effect of four point retrobulbar nerve block using 2% Lidocaine injected with 18 gauge, 9-cm long needle introduced through the skin on dorsal, lateral, ventral and medial aspects of eye at 12, 3, 6 and 9'clock positions, respectively (Ivany, 2004).
5,6) Their anatomic distribution varies widely and includes the mediastinum, (7) sacrococcygeal region, (8) neck, retrobulbar, (9) retroperitoneum, (10) and other rare sites.
Tambien puede presentarse de manera atipica como una mielinolisis pontica central y neuritis optica retrobulbar.
Spaide, "Ocular complications of needle perforations during retrobulbar and peribulbar injections," Ophthalmology Clinics of North America, vol.
Ethambutol can cause retrobulbar neuritis and peripheral neuritis.