How to use the ophthalmoscope : being elementary instructions in ophthalmoscopy, arranged for the use of students / by Edgar A. Browne.

  • Browne, Edgar A. (Edgar Athelstane), 1841-1917.
Date:
1891
Catalogue details

Licence: Public Domain Mark

Credit: How to use the ophthalmoscope : being elementary instructions in ophthalmoscopy, arranged for the use of students / by Edgar A. Browne. Source: Wellcome Collection.

    17/136
    The student who desires to use the ophthalmoscope to good purpose must acquire (1) some knowledge of the optical principles upon which it is constructed, (2) the knack of using the instrument, and (3) the power of interpreting what is seen. The two first steps may be easily and rapidly acquired by a moderate amount of attention; the third can only be mastered by reiterated personal observations and comparison of numerous facts, in the same manner as any other method of physical diagnosis. SECTION I. Optical Peinciples. The laws of light necessary to be understood are a few of those concerned in reflection, refraction, and the formation of images. The student is A
    digitised image 1
    digitised image 2
    digitised image 3