Volume 2

Practical remarks on near sight, aged sight, and impaired vision. With observations upon the use of glasses, and on artificial light / By William White Cooper.

  • Cooper, William White, 1816-1886.
Date:
1847
Catalogue details

Licence: Public Domain Mark

Credit: Practical remarks on near sight, aged sight, and impaired vision. With observations upon the use of glasses, and on artificial light / By William White Cooper. Source: Wellcome Collection.

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    pelled, make great efforts to provide a substitute. Mr. Middlemore observes,* “Some years ago I operated on a child four years old, and directed the little patient’s friends not to employ glasses to assist his sight, without my permission : they carefully obeyed my directions, and this boy is not at the present time much more far-sighted than many persons whose lens has not been removed.” Sir W. Adams operated upon a postillion who was blind from cataract in both eyes. When the man resumed his employment he wore spec- tacles, not beg able even to walk without them : finding, however, that travellers objected to be driven by a person requiring spectacles, he gradually left them off, and at the end of twelve months could drive and walk perfectly well with- out their aid. Glasses, then, should not under any circum- stances be permitted for a considerable time after the operation, nor indeed go long as vision continues to improve without them. If they be used too early, and the glasses are too powerful, the eyes may become enfeebled and require more * A Treatise on the Diseases of the Eye. Vol. ii. p. 202.
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