The cure of cataract and other eye affections : the medical and surgical treatment of lenticular opacities / by Jabez Hogg.

  • Hogg, Jabez, 1817-1899.
Date:
1878
Catalogue details

Licence: Public Domain Mark

Credit: The cure of cataract and other eye affections : the medical and surgical treatment of lenticular opacities / by Jabez Hogg. Source: Wellcome Collection.

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    whicli they appear more distinct. In myopes they are seen mostly in uniformly illuminated surfaces. There- fore myopes find a diminution of these symptoms from using concave glasses, which remove the uniform diffuse appearance of objects. But often complaints continue to arise, especially when patients grow uneasy about their symptoms, and have once accustomed themselves to attend to them. I have seen instances in which anxiety about muscse volitantes amounted to true monomania, against which all reasoning and the most direct demonstrations were in vain. This is especially the case when morbid changes in the vitreous have supervened. The existence of morbid changes must be admitted as soon as turbidities in the vitreous humour can be made out with the ophthalmoscope, and to th ese a real pathological impoi'tance must be attached (Donders). I proceed to give one other case which appears to fully establish the fact that by neutralising the myopia, a marked diminution of spectra takes place, if they do not quite disappear. Figure 17 represents the field of vision in the left eye of a patient, Mr. F. M. These Fig. 17. appearances were first noticed by him on a dark winter's day, when his eyes were accidentally directed towards a bright part of the sky. The band A A was.