A critical study of a few of the changes found in the fields of vision, taken whilst the eyes are placed at right angles to their ordinary position / by Chas. A. Oliver.

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A critical study of a few of the changes found in the fields of vision, taken whilst the eyes are placed at right angles to their ordinary position / by Chas. A. Oliver. Public Domain Mark. Source: Wellcome Collection.

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This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.