Philosophical Transactions of the Royal Society of London, Volume 103W. Bowyer and J. Nichols for Lockyer Davis, printer to the Royal Society, 1813 |
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Pagina 30
... ing on the letermination of OZ . Solsticial Zenith . Distance with Parallax . N. P. D. deduced by direct measurement from Polaris . IV . Observations relative to the near and distant Sight 30 Mr. POND'S Observation , & c .
... ing on the letermination of OZ . Solsticial Zenith . Distance with Parallax . N. P. D. deduced by direct measurement from Polaris . IV . Observations relative to the near and distant Sight 30 Mr. POND'S Observation , & c .
Pagina 34
... distance of these parts from the retina . In such cases of extreme near sightedness in children , it is sometimes necessary to deviate from a rule , which in slighter cases I always follow , of dis- couraging the use of spectacles ...
... distance of these parts from the retina . In such cases of extreme near sightedness in children , it is sometimes necessary to deviate from a rule , which in slighter cases I always follow , of dis- couraging the use of spectacles ...
Pagina 36
... distance of the object to which the attention is directed , this aperture being enlarged when the object is far off , and becoming more and more contracted as it is brought near . But though the activity of the fibres of the iris is ...
... distance of the object to which the attention is directed , this aperture being enlarged when the object is far off , and becoming more and more contracted as it is brought near . But though the activity of the fibres of the iris is ...
Pagina 37
... distance were seen with less inconvenience , than those that were near , these also appeared to the affected eye much less distinct than to the other . Most of the persons to whom I allude had been debilitated , by fatigue or anxiety ...
... distance were seen with less inconvenience , than those that were near , these also appeared to the affected eye much less distinct than to the other . Most of the persons to whom I allude had been debilitated , by fatigue or anxiety ...
Pagina 38
... distances , depends in any degree on the faculty in the pupil of dilating and con- tracting ; and whether its fixed ... distance at which Dr. CUTTING could distinctly see the image of the flame of a candle reflected from the bulb of a ...
... distances , depends in any degree on the faculty in the pupil of dilating and con- tracting ; and whether its fixed ... distance at which Dr. CUTTING could distinctly see the image of the flame of a candle reflected from the bulb of a ...
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