The Principles and practise of modern surgery

by Robert Druitt

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1860 ...be given. Counter-irritation is always of service. When the sclerotic becomes much distended, it may be punctured with a needle--the instrument being introduced for one-eighth of an inch towards the centre of the eye, so as not to wound the lens; this will cause temporary relief. II. Weakness Of Sight, Or Mtjscj! Yolitantes.--Persons of delicate constitutions and sedentary habits, especially if they are in the habit of writing much, or otherwise exerting their eyes on minute objects, are liable to suffer from dimness of sight; uneasiness on exposure to a strong light; and the vision of floatiug black specks or streaks, which, from their resemblance to flies, have acquired the name of muscee volitantes. In one form of the affection the patient is unable to continue for any length of time to look at minute or near objects; partly on account of the confusion and obscurity which overspread them, and partly from a sense of fatigue in the eyes. A short interval of repose is sufficient to recruit the eyes, so that the power of vision returns. The disease is apt to increase unless the particular employment that seems to produce it be abandoned, but it never ends in total destruction of sight, and must not be confounded with amaurosis. It is often improperly called Choroiditis. These symptoms evidently depend on weakness of organization, either original or produced by over-exertion; and the principal measures to be adopted are tonics, aperients, shower-bathing, and change of air, with perfect rest of the eyes, which afterwards should not be used too long at a time. It is almost always associated with hyperaemia of the optic disk; see page 378. Weakness of sight, with intolerance of light, is very commonly an accompaniment of short sight; it may always be...

408 pages, Paperback

Published January 1, 2012