Show I EYE STRAIN AND I OCCUPATIONAL DISEASE I I I In 1910 the tho census but bureau an issued a I classified list of or bet between and I separate and distinct occupation Dividing Di DI- I I viding these occupations Into groups de designed designed de- de deI I signed Cd to Indicate their roles In creating or Increasing the disease e directly or In Indirectly In In- I directly the result of or eye eje strain It has I I been shown hown that the least eye will as a rule be found In that group classed I as aa farmers agricultural laborers common common cornmon com corn I mon laborers soldiers and railway workmen workmen workmen work work- men and the tho most eye oje strain etrain found In lii Inthe Inthe the group croup classed as students clergymen all professional men clerks engravers draftsmen and tho the like In n the tho lUst group composing of 0 per percent percent percent cent of or the population 1 to 20 per cent have ocular or eye strain diseases In Inthe Inthe Inthe the last group composing 20 per cent of or orthe the tho population 80 to per cent have ocular or eye OC strain diseases Eye strain diseases with work at near r range as range as In office store and home home and and the modern growth of ot population Is 18 largely taken up tip b by the town and city The n nearer tho the work an and the tue more minute the gren greater ter the eye eje strain The more constant this focalization on th the more severe the eye eyo strain With decrease of or the Illumination illumination tion below a a. hl high h physiologic standard there is a geometrical Increase of ot eye eyestrain strain It is 18 a n well established fact tact that either the overuse o of the e eyes es or the use of ot eyes under tinder bad conditions condItion mo may give rise to eye ere fatigue or to eye strain and man many eye specialists b believe that t at least ISO SO to 90 20 per cent of or headaches are de dependent dependent de- de pendent on eye eyo strain It Is Impossible to Ignore the probability that many In- In I working b by gaslight or even by I electric light In dirty unpainted overheated overheated overheated over over- I heated rooms with Impure air and excessive excessive ex ex- I moisture for ten hours a day Y or I merely for tho the last two hours during during- the 1 day use up tip a great deal of ot nervous en energy energy en- en enI I ergy and suffer from eye fatigue or eyo eye I strain and Its c consequences I Of Ot late years Increasing attention has hu I been given to working conditions In factorIes fac- fac 1 torIes shops and offices In re regard ard to Il II- II III I ventilation hours houTs and character character character char char- charI I acter of or work and nd this Is la bound to result I In greater efficiency and less time lost In I sickness and nervous disorders I |