 | John Soelberg Wells - 1864 - 242 หน้า
...of accommodation of the observer-s eye has to undergo a change. Mr. Bowman " has been sometimes led to the discovery of regular astigmatism of the cornea,...meridians by using the mirror of the ophthalmoscope much in the same way as for slight degrees of conical cornea. The observation is more easy if the optic... | |
 | Franciscus Cornelis Donders - 1864 - 670 หน้า
...Ophthalmologie, B. ix. p. 178. t My friend Bowman recently informs me, that " he has been sometimes led to the discovery of regular astigmatism of the cornea,...meridians, by using the mirror of the ophthalmoscope ranch in the same way as for slight degrees of conical cornea. The observation 15 more easy if the... | |
 | John Soelberg Wells - 1869 - 888 หน้า
...of accommodation of the observer's eye has to undergo a change. Mr. Bowman " has been sometimes led to the discovery of regular astigmatism of the cornea,...meridians by using the mirror of the ophthalmoscope much in the same way as for slight degrees of conical cornea. The observation is more easy if the optic... | |
 | John Soelberg Wells - 1873 - 272 หน้า
...observer's eye has to undergo a change. Mr. Bowman " has been sometimes led to the discovery of tegular astigmatism of the cornea, and the direction of the...meridians by using the mirror of the ophthalmoscope much in the same way as for slight degrees of conical cornea. The observation is more easy if the optic... | |
 | Swan Moses Burnett - 1887 - 274 หน้า
...makes the following record : " My friend Bowman recently informs me that ' he has been sometimes led to the discovery of regular astigmatism of the cornea,...meridians, by using the mirror of the ophthalmoscope much in the same way as for slight degrees of conical cornea. The observation is more easy if the optic... | |
 | William Mardon Beaumont - 1890 - 72 หน้า
...of its movement according to the refraction of the eye. In his own words he has " been sometimes led to the discovery of regular astigmatism of the cornea...meridians, by using the mirror of the ophthalmoscope much in the same way as for slight degrees of conical cornea. The observation is more easy if the optic... | |
 | Sir William Bowman - 1892 - 492 หน้า
...have seen many such cases.* * [" My friend BOWMAN recently informs me that ' he has been sometimes led to the discovery of regular astigmatism of the cornea,...meridians, by using the mirror of the ophthalmoscope mnch in the same way as for slight degrees of conical cornea. The observation is more easy if the optic... | |
 | Edwin Harding Lendon - 1902 - 82 หน้า
...Professor writes as follows : ' My friend Bowman recently informs me that he has been sometimes led to the discovery of regular astigmatism of the cornea...meridians by using the mirror of the ophthalmoscope much in the same way as for slight degrees of conical cornea. The observation is more easy if the optic... | |
 | 1913 - 374 หน้า
...the Eye," quoted Bowman as follows : "My friend. Bowman, informs me that he has been sometimes led to the discovery of regular astigmatism of the cornea,...meridians, by using the mirror of the ophthalmoscope much In the same way as for slight degrees of conical cornea. The observation is more easy, if the... | |
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has been sometimes led to the discovery of regular astigmatism of the cornea, and the direction of the chief meridians by using the mirror of the ophthalmoscope much in the same way as for slight degrees of conical cornea. The observation is more easy... 