LONDON:

J. MOYES, CASTLE STREET, LEICESTER SQUARE.

TREATISE

ON THE

PHYSIOLOGY AND DISEASES

OF

THE EYE:

CONTAINING

A NEW MODE OF CURING CATARACT WITHOUT AN OPERATION;

EXPERIMENTS AND OBSERVATIONS ON VISION, ALSO ON THE
INFLECTION, REFLECTION, AND COLOURS OF LIGHT;

TOGETHER WITH

REMARKS ON THE PRESERVATION OF SIGHT, AND ON SPECTACLES,
READING-GLASSES, &c.

BY JOHN HARRISON CURTIS, Esq.
Oculist,

Aurist in Ordinary to His Majesty, and their Royal Highnesses the Duke and Duchess of Gloucester;
Surgeon to the Royal Dispensary for Diseases of the Ear; Lecturer on the Anatomy, Physiology,
and Pathology of the Ear; Author of a Treatise on the Physiology and Diseases of the Ear, and
an Essay on the Medical Treatment of the Deaf and Dumb; Fellow of the Medical and Medico-
Botanical Societies of London; Member of the Royal Institution of Great Britain, and of the
Zoological Society of London; Corresponding Member of the Medico-Chirurgical Society of Berlin ;
and of the Philosophical Society of Leipsic, &c. &c.

LONDON:

PRINTED FOR

LONGMAN, REES, ORME, BROWN, GREEN, AND LONGMAN,

PATERNOSTER ROW.

M.DCCC.XXXIII.

378.

ΤΟ

HENRY ROBBI, M.D.

PROFESSOR OF MEDICINE AND SURGERY AT LEIPSIC, FELLOW OF THE FACULTY OF MEDICINE AT PARIS, MEMBER OF THE MEDICO-CHIRURGICAL SOCIETY OF BERLIN, CORRE

SPONDING MEMBER OF THE MEDICAL SOCIETY

OF LONDON, AND MANY OTHER LEARNED
SOCIETIES, &c. &c. &c.

As a mark of high esteem and respect for his distinguished talents, learning, perseverance, and zeal, and of gratitude for his excellent translation into German of my Works on the Ear, as well as the dedication to me of his valuable Encyclopædia of Anatomy,

This Work

Is inscribed

By his sincere Friend,

JOHN HARRISON CURTIS.

Soho Square, Feb. 23, 1833.