Sclerotico-choroiditis posterior : with cases and illustrations / by Henry D. Noyes.

  • Noyes, Henry D. (Henry Drury), 1832?-1900.
Date:
1860
Catalogue details

Licence: Public Domain Mark

Credit: Sclerotico-choroiditis posterior : with cases and illustrations / by Henry D. Noyes. Source: Wellcome Collection.

Provider: This material has been provided by UCL Library Services. The original may be consulted at UCL (University College London)

    20/22 (page 16)
    there be exudations in the choroid, corrosive sublimate, in doses of tV to ^ of a gram daily, becomes highly useful. If tlio person have suflered from syphilis, or from strumous glandular affec- tions, iodide of potassium vs^ill be beneficial. Use of the eyes upon small objects must for the time be prohibited. If the disease be stationary the cold lotions may be employed, but the person must still use great caution with his eyes! Reading, writing, sewing, etc., are to be reduced to the smallest amount, and the effort to be frequently intermitted. Concave glasses for this purpose are to be avoided, because they dimin- ish the apparent size of the objects, while the patient strives, by bringing the object still closer, to gain a larger image, because he is amblyopic as well as myopic. This conflict of opposing conditions results in the patient's damage by over exertion of his power of accommodation. In regard to seeing distant objects ; in walking on the street if, for example, -4 or -5 make objects distinct to the patient, then let him have glasses -6 or -8 to be sure his eyes will not be strained. It is better that the glasses be tinged slightly with cobalt blue, to interrupt the yellow rays which are those most injurious to the eye. Smoked glasses intercept the rays of all colors and are not so well adapted as the blue. This, then, is the general plan of management. For certain special conditions, such as cataract, something may be said. If far advanced, and the vitreous fluid, nothing can be done. If the opacity be only at the posterior pole of tlie lens, and the iris not tremulous, extraction may be performed. But if there be reason to suspect detachment of the retina because of the limitation and darkness of any part of the field of vision, no operation is to be done. The operation must be looked upon as done under great disadvantages at the best. If strabismus exist and the myopia be not excessive, an attempt may be made to cure it, if desired ; but perfect success can not always be expected, because if only one eye be affected, the stronger eye performs the act of vision almost to the exclu- sion of the other. 251 Fourth Avenue, N. Y., Feb. 1,18G0.