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Books
A longitudinal study of refraction and its components during growth / by Arnold Sorsby and G.A. Leary.
Sorsby, Arnold, 1900-1980.Date: 1970
Books
The refraction of the eye : a manual for students / by Gustavus Hartridge.
Hartridge, Gustavus, 1849-1923.Date: 1900
Books
Skiascopy and its practical application to the study of refraction / by Edward Jackson.
Jackson, Edward, 1856-1942.Date: 1896
Books
Online
Refraction and how to refract : including sections on optics, retinoscopy, the fitting of spectacles and eyeglasses, etc. / by James Thorrington.
Thorington, James, 1858-1944.Date: 1910
Books
Online
The errors of accommodation and refraction of the eye and their treatment : a handbook for students / by Ernest Clarke.
Clarke, Ernest, 1857-1932.Date: 1911
Books
Online
Refraction : a simple and concise treatise on practical sight-testing / by Guy E. Druiff.
Druiff, Guy E.Date: 1911
Books
Online
The refraction of the human eye : a critical study of the statistics obtained by examinations of the refraction, especially among school children / by B. Alex. Randall.
Randall, Burton Alexander, 1858-1932.Date: [1885]
Books
Online
Beiträge zur Physiologie und Pathologie der Hornhautrefraction / von Adolf Steiger.
Steiger, A. (Adolf), 1862-1920.Date: 1895
Books
Online
Die Entstehung der sphärischen Refraktionen des menschlichen Auges : (Übersichtigkeit - Normalsichtigkeit - Kurzsigtigkeit) / von Adolf Steiger.
Steiger, Adolf.Date: 1913
Books
Clinical optics / Andrew R. Elkington, Helena J. Frank.
Elkington, A. R.Date: 1984
Books
The practice of refraction / by Sir Stewart Duke-Elder.
Duke-Elder, Stewart, Sir, 1898-1978.Date: 1938
Books
Refraction of the human eye and methods of estimating the refraction : including a section on the fitting of spectacles and eye-glasses / by James Thorington.
Thorington, James, 1858-1944.Date: 1939
Books
Online
The refraction of the eye : a manual for students / by Gustavus Hartridge.
Hartridge, Gustavus, 1849-1923.Date: 1905
Books
Online
Refraction of the eye : its diagnosis and the correction of its errors : with chapter on keratoscopy / by A. Stanford Morton.
Morton, Andrew Stanford.Date: 1882
Books
Online
Anleitung zur Bestimmung der Refraktions- und Akkommodations-Anomalien des Auges : für Rigorosanten und praktische Ärtze / von Maximilian Bondi.
Bondi, Maximilian.Date: 1903
Books
Online
De catoptrices et dioptrices in oculorum morbis cognoscendis usu atque utilitate / scripsit Richardus Ulrich.
Ulrich, Richardus.Date: [1852?]
Books
Online
Refraction und Papilla optica der Augen der Neugeborenen : inaugural-Dissertation der medicinischen Fakultät zu Königsberg i. Pr. zur Erlangung der Doctorwürde in der Medicin, Chirurgie und Geburtschilfe / von Gustav Ulrich.
Ulrich, Gustav, 1860-1932.Date: 1884
Books
Refraction of the eye : a manual for students / by Gustavus Hartridge.
Hartridge, Gustavus, 1849-1923.Date: 1911
Books
The practice of refraction / by W. Stewart Duke-Elder.
Duke-Elder, Stewart, Sir, 1898-1978.Date: 1928
Books
A manual of the diseases of the eye and refraction : including treatment and surgery / by George M. Gould and Walter L. Pyle.
Gould, George M. (George Milbry), 1848-1922.Date: 1900
Books
Online
On the anomalies on accommodation and refraction of the eye : with a preliminary essay on physiological dioptrics / by F. C. Donders ; translated from the author's manuscript by William Daniel Moore.
Donders, F. C. (Franciscus Cornelis), 1818-1889.Date: 1864
Books
Refraction and visual acuity / by Kenneth Scott.
Scott, Kenneth (Kenneth Mackenzie)Date: 1911
Books
Online
Refraction of the eye : its diagnosis and the correction of its errors with a chapter on keratoscopy / by A. Stanford Morton.
Morton, A. Stanford.Date: 1882
Books
Online
Optics : a manual for students / by A. S. Percival.
Percival, A. S. (Archibald Stanley), 1862-Date: 1899
Books
Online
The refraction of the eye : a manual for students / by Gustavus Hartridge.
Hartridge, Gustavus, 1849-1923.Date: 1894

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A longitudinal study of refraction and its components during growth / by Arnold Sorsby and G.A. Leary.

The refraction of the eye : a manual for students / by Gustavus Hartridge.

Skiascopy and its practical application to the study of refraction / by Edward Jackson.

Refraction and how to refract : including sections on optics, retinoscopy, the fitting of spectacles and eyeglasses, etc. / by James Thorrington.

The errors of accommodation and refraction of the eye and their treatment : a handbook for students / by Ernest Clarke.

Refraction : a simple and concise treatise on practical sight-testing / by Guy E. Druiff.

The refraction of the human eye : a critical study of the statistics obtained by examinations of the refraction, especially among school children / by B. Alex. Randall.

Beiträge zur Physiologie und Pathologie der Hornhautrefraction / von Adolf Steiger.

Die Entstehung der sphärischen Refraktionen des menschlichen Auges : (Übersichtigkeit - Normalsichtigkeit - Kurzsigtigkeit) / von Adolf Steiger.

Clinical optics / Andrew R. Elkington, Helena J. Frank.

The practice of refraction / by Sir Stewart Duke-Elder.

Refraction of the human eye and methods of estimating the refraction : including a section on the fitting of spectacles and eye-glasses / by James Thorington.

The refraction of the eye : a manual for students / by Gustavus Hartridge.

Refraction of the eye : its diagnosis and the correction of its errors : with chapter on keratoscopy / by A. Stanford Morton.

Anleitung zur Bestimmung der Refraktions- und Akkommodations-Anomalien des Auges : für Rigorosanten und praktische Ärtze / von Maximilian Bondi.

De catoptrices et dioptrices in oculorum morbis cognoscendis usu atque utilitate / scripsit Richardus Ulrich.

Refraction und Papilla optica der Augen der Neugeborenen : inaugural-Dissertation der medicinischen Fakultät zu Königsberg i. Pr. zur Erlangung der Doctorwürde in der Medicin, Chirurgie und Geburtschilfe / von Gustav Ulrich.

Refraction of the eye : a manual for students / by Gustavus Hartridge.

The practice of refraction / by W. Stewart Duke-Elder.

A manual of the diseases of the eye and refraction : including treatment and surgery / by George M. Gould and Walter L. Pyle.

On the anomalies on accommodation and refraction of the eye : with a preliminary essay on physiological dioptrics / by F. C. Donders ; translated from the author's manuscript by William Daniel Moore.

Refraction and visual acuity / by Kenneth Scott.

Refraction of the eye : its diagnosis and the correction of its errors with a chapter on keratoscopy / by A. Stanford Morton.

Optics : a manual for students / by A. S. Percival.

The refraction of the eye : a manual for students / by Gustavus Hartridge.