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The Theory and the Facts
in The Truth About Accommodation
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able to read accommodative power amblyopia astigmatism atropine became become able black object blacker bottom cause central fixation ciliary muscle closed and covered color conjunctiva conscious defective demonstrated diopters discomfort distance distant vision eccentric fixation effort error of refraction eyeball eyes closed eyesight fact focus fovea glaucoma hypermetropia illusions imagine imperfect sight imperfectly impossible inches lens less letter may appear light look lowers the vision memory mental control mental strain method metropia mind minutes myopia near-point normal eye normal sight normal vision ophthalmologist ophthalmoscope optic nerve palming patient perfect perfectly black period persons with normal pessimum picture point of fixation practice presbyopia presbyopic produced pupil read diamond type read fine print refractive error relieved remember black rest the eyes retina retinoscope right eye seen best shift side small letters squint supposed swing teacher test card theory thing tion treatment twenty feet usually visual worn glasses worse