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Optometry by the subjective method : a paper read at the meeting of the British Medical Association, London, July, 1895 / by George J. Bull.

An additional method to determine the degree of ametropia.

The systematic use of cylinders in making the shadow test / by Alexander Duane.

An additional test for the diagnosis and correction of the optical defects of the eye / by William Thomson.

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Optometry by the subjective method : a paper read at the meeting of the British Medical Association, London, July, 1895 / by George J. Bull.

An additional method to determine the degree of ametropia.

The systematic use of cylinders in making the shadow test / by Alexander Duane.

An additional test for the diagnosis and correction of the optical defects of the eye / by William Thomson.