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  1. NLM Digital Collections - Eye defects : how to detect and correct them 
    Publication: New York : Spencer Optical Mfg. Co., [1898?]
    ... manifest hyper- metropia ; so that the eye is able to see well at a distance either with or without glasses. Field of vision���the space in which objects can be perceived. Franklin glasses���(see bifocals.) Glasses for far-sight ; the strongest lenses with which the person has just as good ...
  2. ... accommodation. Such persons complain that they can read well enough for a time, but soon fail to be able to see distinctly. This kind of weak sight should always lead to examination of the eyes by an oculist, to see if glasses are needed; otherwise severe neuralgic pains about the ...
  3. NLM Digital Collections - Human physiology for the use of elementary schools 
    Publication: Philadelphia : Lippincott, Grambo & Co., 1854
    ... grows flatter by age, they at length are able to see well, without glasses of any kind. This change in the shape of the eye is often denoted by a tendency to hold a book at a greater ... of light, which it is not able to do for itself. By adapting glasses to ...
  4. NLM Digital Collections - Homoeopathic ophthalmic practice : a systematic treatise on diseases of the eye for the use ... 
    Publication: Detroit : Published by Edwin Albert Lodge, American observer office, 1878
    ... quence of these changes, the patient may be able to see well enough in a direct line during the day, or ...
  5. NLM Digital Collections - A treatise on the diseases of the eye 
    Publication: Philadelphia : Blanchard and Lea, 1854
    ... was at an advanced age, laid aside his glasses, and was able to read and see perfectly well without them.] 42 658 near-sightedness. of concave glasses, and the frequent and long-continued observation of ...
  6. NLM Digital Collections - The optician's manual 
    Publication: [Philadelphia?] : [The Keystone], [1896?]
    ... sister who is not. He has never been able to see well at a distance, and he has sometimes used his brother's glasses. On being asked if his parents are near- ...
  7. ... the two, and if we find that he sees perfectly well with them, such lenses may be or- dered. If the two eyes are not alike and the difference between the glasses is great, the patient does not see well ...
  8. ... of this condition. By the aid of concave glasses, as beforesaid, near-sighted per- 92 THE EYE. sons are able to see as well as those who have no such infirmity. They ...
  9. ... of near sight. By the aid of concave glasses, as beforesaid, near-sighted per- 92 THE EYE. sons are able to see as well as those who have no such infirmity. They ...
  10. NLM Digital Collections - Eyesight, and how to care for it 
    Publication: Philadelphia : Presley Blakiston, 1880
    ... the field of vision. Its subjects may be able to go about alone well enough in daytime, but become helpless after sundown ; and may see accurately with a small central space of the ...
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