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TESTS FOR PECULIAR SIGHT (Astigmatism).

(See page 39.)

AND

HOW TO PRESERVE IT.

BY

HENRY C. ANGELL, M.D.,

PROFESSOR OF OPHTHALMOLOGY AT BOSTON UNIVERSITY, AUTHOR OF
'A TREATISE ON DISEASES OF THE EYE,' &c., &c.

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PREFACE.

HOUGH not the first work of the kind pub

THOUGH

lished, this is believed to be simpler, freer from technical terms, and shorter than its predecessors. These merits, it is hoped, may render it exceptionally popular, and therefore exceptionally useful.

The growing prevalence of weak sight in this country, both in children and adults, would seem to make a wider knowledge of the eye, and how to take care of it, of some importance.

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