Ophthalmic lenses, dioptric formulae for combined cylindrical lenses : the prism-dioptry, and other optical papers (1900)
Prentice, Charles Frederick, b. 1854 · Philadelphia : Keystone · leaf 198
ioptrics of refraction, we may readdiiectly from its graduations, the amplitudes of accommodation in eimne-tropia, provided the distance is measured from the cornea to the test-object,on tlic median line. The same procedure will apply in any ca«e ofainetropia, when the distance glasses which… … 190 THE COKEECTION OF DEPLETED DYNAMIC REiEACTION. comparatively easy to determine the proper distance glasses, as well as fofitem to predict, with reasonable certainty, that the lenses will be wornwith comfort. But when the case is complicated with a loss of dynamicrefraction, and unless extreme…
Lenses
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