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20 feet 48 inches focal able accom accommodative power adjusting glasses adjustment of glasses amblyopic asthenopia astig atropia axis best vision blepharitis cause ciliary muscle concave glasses convex cylindric glass convex glasses correcting glasses crystalline lens cure degree of hypermetropia diopters diplopia disease Donders eight inches elongation emmetropia emmetropic error of refraction eyeball glass for reading glasses of 60 headaches hyper hypermetropia hypermetropic astigmatism hyperopia hyperopic hyperopic astigmatism inches focal distance internal recti Jaeger lens matism meridian metropia modation myopes myopic astigmatism near-sighted neurotic normal objects ocular muscles oculists opacity ophthalmoscope opticians physician practitioner presbyopia presbyopic presbyopic patient prism proper read fine type refraction and accommodation require glasses retina right eye right side second sight set of test Snellen's test-types spasm stronger glass sufficient sulphate of atropia symptoms test letters test types tions uterine vision without glasses visual power vitreous humor weak young persons
Page 71 - While the correction of errors of refraction and accomodadation, and the unburdening of overloaded ocular muscles, will do much to alleviate the asperities of human existence, these things are not as yet a panacea even for neuroses, much less for inflammatory diseases. In our hopes for cure in employing these methods, we still require to avoid skepticism on the one hand and excessive confidence on the other.
Page 71 - ... are all the factors in a given case of disease. That there are often many, and seldom one alone, is scarcely to be denied. A narrow specialism will never find any comfort in the study of the woes of the human body. The various causes of disease are too complex and concealed in very many, if -not in the majority, of cases to be found in the abnormal condition or action of one organ. While the correction of errors of refraction and accommodation, and the unburdening of overloaded ocular muscles,...