Miners' nystagmus : and its relation to position at work and the manner of illumination / by Simeon Snell.

  • Simeon Snell
Date:
1892
Catalogue details

Licence: Public Domain Mark

Credit: Miners' nystagmus : and its relation to position at work and the manner of illumination / by Simeon Snell. Source: Wellcome Collection.

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

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    CANDLE-LIGHTED PITS AT C* Nature of Symptoms. Remarks. Right marked. Left very little ; to and fro, very little rotatory movements. Well marked 'Nystagmus. Nystagmus not well marked, but symptoms of lights danc- ing, etc. Marked symptoms, but pass- ing away. He is recovering. Very marked movements. Ro tatory especially. Quivering of eyelids. Oscilla- tions rather jerky, but not very marked. Very marked in looking oblique- ly ; not so much on depressing head, and quickly raising it. Well marked, especially up and to right. Works mostly left side down. Not marked. Never worked with lamps. R. eye — cyl. 3-5 D = Tfio L. eye — i'2 5 D = f. slight nebula after abrasion from coal in pit. Always worked with candles, except for 6 months 5 years ago. Not worked with lamps, always candles. On putting himself into holing position on his side he rises up giddy, and things dance before him. Worked with candles, except for 3 months 2 years ago, and an odd day occasionally, when there was gas in the pit. Worked with candles, except 12 months 7 years ago when he used lamps. Never worked with lamps, except an occasional day when there was gas in the stall. Never worked with lamps, except occasionally when there was gas in the pit, and for several years has not used a lamp, except for a day or two. Works with candles, but for 18 months worked with lamps; these he discontinued \]/2 years ago. He had discontinued using safety lamps fully 3 months before he noticed his eyes affected. This man is a good example of one entering a room with head tilted back and eyes directed down ; bringing them thus more to rest. He has worked by far the greater part of his time with candles 27 or 28 years. At different periods he used safety lamps ; the longest time for 3 years. and was able to get together at short noiice for me to examine. There were others known to be afflicted,