 ... eye than you have been accustomed to do, and desire the aid of plenty of light ; and on looking at a near object, it becomes confused, and appears to have a kind of mist before it, and the letters of a book run one into another, or appear double,...  The economy of the eyes - Pagina 28de William Kitchiner - 1824Vizualizare completă - Despre această carte
 | 1825 - 726 pagini
...by age is, that when you wish. to read a small print, you are obliged to rewove it further from jour eye than you have been accustomed to do, and desire...yourself holding a book &c. close behind the candle." F. 96. There are many other things in this serviceable work which every man ought to know, and every... | |
 | 1825 - 710 pagini
...impaired by age is, that when you wish to read a unall print, you are obliged to remove it farther from your eye than you have been accustomed to do,...run one into another, or appear double, &c. ; and BY CANDULIGHT you catch yourself holding a book &c. close behind the candle." P. 86. There are many other... | |
 | 1825 - 724 pagini
...you are obliged to remove it further from your eye than yon have been accustomed to do, and deiire the aid of plenty of light ; and on looking at a near...yourself holding a book &c- close behind the candle." P. JU. There are many other things in this serviceable work which every man ought to know, and every... | |
 | Alexander Alexander (optician.) - 1833 - 138 pagini
...approach nearer to the light when we read or work. 3rd—If, on looking at, and attentively considering a near object, it becomes confused, and appears to have a kind of mist before it, or such as the letters of a book running one in another, or, as it were, becoming double or triple.... | |
 | Francis West - 1852 - 70 pagini
...place a candle between tho eyes and the object. 3. If on looking at and attentively considering an object, it becomes confused, and appears to have a kind of mist swimming before it. 4. When the letters of a book seem to ran one into another, and hence appear double... | |
 | William White Cooper - 1853 - 340 pagini
...age is, that when you wish to read small print, you are obliged to remove it farther from your eyes than you have been accustomed to do, and desire the...&c., and by candlelight you catch yourself holding your book close behind the candle, and you begin to admire the ingenuity of that gentleman who invented... | |
 | Health - 1858 - 374 pagini
...placing the candle between the eye and the object. 3. When, on looking at, and attentively considering a near object, it becomes confused, and appears to have a kind of mist before it. 4. When the letters of a book run into one another, and become double and treble. 5. When the eyes... | |
 | John Phillips - 1869 - 552 pagini
...place the caudle between the eyes and the object. Third. If, on looking at and attentively considering a near object, it becomes confused, and appears to have a kind of mist before it. Fourth. When the letters of a book run into one another, and hence appear double or treble. Fifth.... | |
 | 1869 - 760 pagini
...the candle between the eyes and the object. Third.— If, on looking at and attentively considering a near object, it becomes confused, and appears to have a kind of mist. Fourth. — When the letters of a book run into one another, and hence appear double or treble. Fifth.... | |
 | Hints - 1880 - 172 pagini
...placing the candle between the eye and the object. 3. When, on looking at and attentively considering a near object, it becomes confused, and appears to have a kind of mist before it. 4. When the letters of a book run into one another, and become double and treble. 5. When the eyes... | |
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