. Good and bad eyesight : and the exercise and preservation of vision. PHILADELPHIA: P. BLAKISTON, SON & CO. 1012 WALNUT 2 ^U PREFACE. A large portion of the time of every ophthalmicconsultant is occupied, day after day, in repeatingto successive patients precepts and injunctions whichought to be universally known and following pages contain an endeavor to makethese precepts and injunctions, and the reasons forthem, plainly intelligible to those who are mostconcerned in their observance. It is proper to mention that some of the dia-grams in the second and third cha
. Good and bad eyesight : and the exercise and preservation of vision. PHILADELPHIA: P. BLAKISTON, SON & CO. 1012 WALNUT 2 ^U PREFACE. A large portion of the time of every ophthalmicconsultant is occupied, day after day, in repeatingto successive patients precepts and injunctions whichought to be universally known and following pages contain an endeavor to makethese precepts and injunctions, and the reasons forthem, plainly intelligible to those who are mostconcerned in their observance. It is proper to mention that some of the dia-grams in the second and third chapters have beentaken, with slight alterations, from MackenziesPhysiology of Vision; and also that I have derivedvaluable suggestions from Die Pflege der Angen ofProfessor Arlt. December, i8jg. CONTENTS. CHAPTER I. PAGE The Structure of the Eyes and of their Appendages, . 13 CHAPTER Light, and the Formation of Images by Lenses, . 29 CHAPTER Forms and Properties of Lenses, 48 CHAPTER IV. The Formation of Images in the Eye; The Acuteness and Field of Vision; The Blind-Spot 60 CHAPTER V. Near and Distant Vision ; Ref
Size: 2013px × 1241px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, booksubj, booksubjecteye, booksubjecteyediseases
