Miners' Nystagmus Page: 3
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CONTENTS.
Page.
Preface, by Van. H. Manning.............. .......................... 5
Introduction...................................................... ... .. 7
Sources of information................ ......... ............. ........... 8
Occasional eyestrain9................. .......... ........... 9
Nystagmus a disease of coal miners ............. .........--------------------------------..--. 11
Bearing of insufficient illumination....---------------------.....----................... ------11
Prognosis, treatment, and cure of nystagmus ----------..........--------------................ 12
Frequency of occurrence ................ ........ .............a.... 12
Other eye diseases of miners........------------.............- .----------.......... 14
Conclusions of Lindemann.............. ..... ------------------------- ............. 15
Nystagmus as a mining problem................... ........ ........ ... 16
Medical considerations.------------------------------ --a------------- 16
Medical considerations..................... ...................... ..... 16
Controversial aspects-. -.-..-........ -- - - - -.......... 17
Nystagmus a mine-safety problem.......--------.......---------------------...------..... 18
Factors of causation of nystagmus......... ---- ----...--.... ........... 19
Ophthalmological tests........... .......... .-----------------------------------..... 20
American investigations........................-------------------....-----.....------. 21
Frequency of nystagmus in England------..---......---.........-----------------.........---... 22
Typical cases ................... ... ....... .... . ... ..... .......... 23
Occupational predisposition ................ ........................... 24
Safety lamps as a cause of nystagmus..............--------------- ............. 25
Mine darkness as a cause........... -......- ...- ............. .... ........ 25
Errors of refraction as a cause................................... ---- ----------------------------- 25
Fatigue of vision as a cause.....------........---------------...-----..-------------.......... 27
Oblique nystagmus ..................... .... -........ ............ 28
Symptoms and course of the disease...........---------------.. ----------------.... ....... 29
Varieties of nystagmus ................. -.......-......................... 30
Analysis of cases-----......---...------.......--.......----------------------------------.....- . 31
Adequate treatment and permanent cure ......-......--------- - ----........ -------- 32
Duration of disease .......... ...........--------------------------------- ----------........... 32
Subjective treatment---------............................------------------------------ 32
Methods of improving illumination.....-----------.....---------------.. ......----.... 33
Medical and mechanical treatment- - - - - .............. ............ ------------------------------- 33
Nystagmus as an economic problem ...................--------------.........-----...---------... 34
Average age of patients and duration of incapacity............................ 35
Methods of prevention...--....... -......-------.....-------.. ......--------------........- ... 40
Methods of treatment .......--------------------.................. ............ ------- -- ---------- 40
A problem in workmen's compensation...----........------------- -------............----...---... 40
Relative frequency of symptoms ............................ .........--.... 41
Incapacity for work caused by nystagmus ------------------...................-----........... -----42
Mine dangers resulting from nystagmus-------------------- ---......------......--.... 42
Details of English experience ----------.....-.......-----..........----------..-...----....... --------43
Relation of nystagmus to thickness of seams worked ........................-------------------.. - - 44
Safety lamps and inadequate illumination ...........................--..---...-----------. 45
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Hoffman, Frederick L. Miners' Nystagmus, report, 1916; Washington D.C.. (https://digital.library.unt.edu/ark:/67531/metadc12302/m1/3/: accessed July 16, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.