The art of preserving the sight unimpaired to an extreme old age ... to which are added, observations on the inconveniences and dangers arising from the use of common spectacles ... / by an experienced oculist.

  • Georg Joseph Beer
Date:
1816
Catalogue details

Licence: Public Domain Mark

Credit: The art of preserving the sight unimpaired to an extreme old age ... to which are added, observations on the inconveniences and dangers arising from the use of common spectacles ... / by an experienced oculist. Source: Wellcome Collection.

Provider: This material has been provided by The University of Leeds Library. The original may be consulted at The University of Leeds Library.

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    ]78 DIRECTIONS FOR THE , That PeoPle «** weak eyes, whenever they are obliged to travel in a deep snow, should do their utmost to guard against the impression of a reflected light, as such a circumstance has often had the worst effects even upon sound eyes, which have often experienced a remarkable degree of weakness from this very cause. The best preservative on this occasion is a black and very thick crape, which, however, need only cover half the face, which will also be found equally useful in sandy roads on a bright dry. Another consideration, forming a third rule is, That weak eyes require washing and being neatly kept much more than sound ones; at the same time that they are less able to support the use of cold water. It will be asked, how those unac- quainted with this department of medical skill shall be able to determine at what times it will be proper to bathe their eyes in cold water ? to which the answer is simple : for whenever we find a great