Various anesthetic agents used in retrobulbar injections; a comparative study.

摘要: RETROBULBAR anesthesia was first described by Pooley 1 in 1914, but there are still many misconceptions concerning its mode of action and is considerable disagreement about indications for use surgery the eye. Spaeth, 2 his textbook on ophthalmic surgery, stated that danger from forcible contraction four rectus muscles greater than squeezing orbicularis oculi muscle intraocular surgery. He said, however, it not wise to a retrobulbar prominent Kirby 3 proptosis after injection cc. procaine hydrochloride, which he said may have been due hemorrhage or result transudation producing edema orbital tissues; he, therefore, used selected cases only made no mention what criteria were. Elschnig 4 mentioned resulted some loss