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Updated: May 8, 2025
The discoloration begins to fade within a few hours, and after the second or third day it disappears, without showing any of the chromatic changes which characterise a bruise. The sub-conjunctival ecchymosis, however, persists for several weeks and disappears like other extravasations. Apart from combating the shock, or dealing with concomitant injuries, no treatment is called for.
Second: The object of trephining is to tap and permanently drain the aqueous fluid from the anterior chamber of the eye into the sub-conjunctival space; in doing so it is essential to avoid as far as possible all interference with the uveal tissue. The purpose of an iridectomy is to avoid the danger of the iris in the neighborhood of the wound being drawn and impacted in the trephined hole.
The success of the Lagrange operation, which, like the Elliot operation, aims to produce a fistulous communication between the anterior chamber and the sub-conjunctival area, depends upon securing the removal of a relatively large section of all of the layers of the scleral and corneal lip of the wound, so that a permanent opening, covered by the replaced conjunctival flap, is made.
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