block

(redirected from Retrobulbar block)
Also found in: Dictionary, Thesaurus, Medical, Legal, Encyclopedia, Wikipedia.

Block

Large quantity of stock or large dollar amount of bonds held or traded. As a rule of thumb, 10,000 shares or more of stock and $200,000 or more worth of bonds would be described as a block.
Copyright © 2012, Campbell R. Harvey. All Rights Reserved.

Block

An exceptionally large amount or value of securities. While there is no specific definition of how many shares constitute a block, most people using the term refer to holding or trading more than 10,000 shares and/or shares worth more than $200,000. Almost invariably, trades of this magnitude involve institutional investors. See also: Block trade, Secondary issue.
Farlex Financial Dictionary. © 2012 Farlex, Inc. All Rights Reserved

block

A large amount of a security, usually 10,000 shares or more.
Wall Street Words: An A to Z Guide to Investment Terms for Today's Investor by David L. Scott. Copyright © 2003 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved. All rights reserved.

block

An area bounded by perimeter streets.Many subdivision descriptions employ a subdivision name,and then a block number and a lot number to identify particular properties.The numbers are assigned when the subdivision developer files its plat plan with local authorities.

The Complete Real Estate Encyclopedia by Denise L. Evans, JD & O. William Evans, JD. Copyright © 2007 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Although retrobulbar blocks are used less commonly than peribulbar blocks20 because of potential anatomic risk factors associated with administration and the need for an additional facial nerve block to prevent blinking, they may still be preferred for certain procedures that would benefit from lower volumes of local anesthetic (ie, 3-5 mL).
Cruise et al., evaluated the effect of music in elderly outpatients undergoing elective cataract surgery under retrobulbar block and monitored anaesthetic care using fentanyl and midazolam.
For many years the traditional block used for ophthalmic surgery was the retrobulbar block, when LA was placed deep within the orbit of the eye, using a long needle.
Considering retrobulbar block and peribulbar block together, as in this article, also serves to confuse rather than enlighten.