Colour-blindness and other defects of sight in some of their medico-legal aspects / by James T. Tudall.

  • Rudall, James T.
Date:
1887
Catalogue details

Licence: Public Domain Mark

Credit: Colour-blindness and other defects of sight in some of their medico-legal aspects / by James T. Tudall. Source: Wellcome Collection.

Provider: This material has been provided by UCL Library Services. The original may be consulted at UCL (University College London)

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    concerned. In like manner, as there must be standards for colour and form sense, for refraction and so on, so must there be a standard for competent examiners. Nor in this matter is the difficulty much greater. The examiner must be able to determine the acuity of vision for form and for colour, to measure the refraction, by retinoscopy, by the refraction ophthalmoscope and by the other ordinary methods, to observe the field of vision, and must have a fair acquaint- ance with the physiological and pathological appearances of the ocular fundus and the dioptric media, as well as of the external coats of the eyeball. Further, it is in the highest degree desirable that all examiners should be under the control of a central head. When all this has been effected, then, and not till then, will the authorities have a right to say that they have done their duty to candidates and to the public. George Robertson mid Compftny, Printers, Melbouri-c