- Email: [email protected]
G. Oram Ring, A.M., M.D.
356
CORRESPONDENCE
Bulletin are abstracted in the abstract department of the American Journal of Ophthalmology. The Bulletin contains the usual directory of members of the Belgian Society. W . H. Crisp. Mirrors, Prisms and Lenses. A text book of geometrical optics. By James P. C. Southall. Cloth, 806 pages, 329 figures. Price $4.50. Pub lished by the Macmillan Co., New York. 1933. This book will be found interesting reading even to those not mathemati cally inclined, for throughout, the sub ject has been enlivened by numerous short historical items and practical notes. The work is written as an intro duction to the theory of modern optical instruments and is the outgrowth of a . course of lectures given by the author at Columbia University.
can use it to go far into the details of modern optics. H. Rommel Hildreth. OBITUARY G. Oram Ring, A.M., M.D. 1861-1933 Dr. G. Oram Ring died at his resience in Philadelphia after a brief illness, January 17, 1933. He graduated from the Medical School of the University of Pennsylvania in 1885, and later worked in the Eye Department of the out-pa tient service of the University Hospital. He at once became interested in oph thalmology, and soon became Ophthal mic Surgeon to the Episcopal Hospital, an active service which he continued for over twenty-one years, until he was made Consulting Ophthalmologist to the Hospital. H e was also Ophthal mologist to the Widener Home for Crippled Children, and Consulting Oph thalmologist to the American Onco logie Hospital. Some of his most important papers were based on cases seen and operated on at the latter institution. He became a Fellow of the College of Physicians of Philadelphia in 1895, and in 1901 a member of the American Ophthalmological Society. He was a member and President of the Medical Club of Phila delphia, and early took the certificate of the American Board for Ophthalmic Examinations. H e was a dignified and polished gentleman ; contributing much to uphold the dignity of his profession. He has been a regular contributor to the News Items of this Journal up to the January number of the present vol ume. H e was not a prolific writer, but his papers were gladly received by the American Ophthalmological Society, and the general medical societies of his city and state. Edward Jackson.
In the earlier chapters the book en ters into a considerable amount of de tail treating the more elementary por tions of the subject. The mathematics has been kept as simple as possible, il lustrated by the familiar geometrical diagram. At the end of each chapter is appended a number of problems. Be sides being good exercise for the stu dent, many of these problems have a special value as corollaries of more practical utility than the theorems from which they are derived. This third edition contains two new chapters, one on the microscope con sidered as being more or less typical of optical instruments in general. The other new chapter treats of double re fraction, the ophthalmometer, visual acuity, color sensation, binocular per ception of depth and the nature of light. Ophthalmic lenses are adequately dealt with in the earlier chapters. The reviewer does not mean to imply that this book is elementary for in fact it goes deeply into the subject. I t is an CORRESPONDENCE excellent text or reference book for oph The prolonged occlusion test thalmologists in general, for it can meet "In a letter in the February number the need of different tastes. Those not interested in mathematics can obtain of the Journal, Abraham makes the fol much from the reading matter, and lowing statement: 'The method of from this standpoint the book serves as patching used agrees with the method a splendid reference work. As a text one described by the ardent supporters of
CORRESPONDENCE
Bulletin are abstracted in the abstract department of the American Journal of Ophthalmology. The Bulletin contains the usual directory of members of the Belgian Society. W . H. Crisp. Mirrors, Prisms and Lenses. A text book of geometrical optics. By James P. C. Southall. Cloth, 806 pages, 329 figures. Price $4.50. Pub lished by the Macmillan Co., New York. 1933. This book will be found interesting reading even to those not mathemati cally inclined, for throughout, the sub ject has been enlivened by numerous short historical items and practical notes. The work is written as an intro duction to the theory of modern optical instruments and is the outgrowth of a . course of lectures given by the author at Columbia University.
can use it to go far into the details of modern optics. H. Rommel Hildreth. OBITUARY G. Oram Ring, A.M., M.D. 1861-1933 Dr. G. Oram Ring died at his resience in Philadelphia after a brief illness, January 17, 1933. He graduated from the Medical School of the University of Pennsylvania in 1885, and later worked in the Eye Department of the out-pa tient service of the University Hospital. He at once became interested in oph thalmology, and soon became Ophthal mic Surgeon to the Episcopal Hospital, an active service which he continued for over twenty-one years, until he was made Consulting Ophthalmologist to the Hospital. H e was also Ophthal mologist to the Widener Home for Crippled Children, and Consulting Oph thalmologist to the American Onco logie Hospital. Some of his most important papers were based on cases seen and operated on at the latter institution. He became a Fellow of the College of Physicians of Philadelphia in 1895, and in 1901 a member of the American Ophthalmological Society. He was a member and President of the Medical Club of Phila delphia, and early took the certificate of the American Board for Ophthalmic Examinations. H e was a dignified and polished gentleman ; contributing much to uphold the dignity of his profession. He has been a regular contributor to the News Items of this Journal up to the January number of the present vol ume. H e was not a prolific writer, but his papers were gladly received by the American Ophthalmological Society, and the general medical societies of his city and state. Edward Jackson.
In the earlier chapters the book en ters into a considerable amount of de tail treating the more elementary por tions of the subject. The mathematics has been kept as simple as possible, il lustrated by the familiar geometrical diagram. At the end of each chapter is appended a number of problems. Be sides being good exercise for the stu dent, many of these problems have a special value as corollaries of more practical utility than the theorems from which they are derived. This third edition contains two new chapters, one on the microscope con sidered as being more or less typical of optical instruments in general. The other new chapter treats of double re fraction, the ophthalmometer, visual acuity, color sensation, binocular per ception of depth and the nature of light. Ophthalmic lenses are adequately dealt with in the earlier chapters. The reviewer does not mean to imply that this book is elementary for in fact it goes deeply into the subject. I t is an CORRESPONDENCE excellent text or reference book for oph The prolonged occlusion test thalmologists in general, for it can meet "In a letter in the February number the need of different tastes. Those not interested in mathematics can obtain of the Journal, Abraham makes the fol much from the reading matter, and lowing statement: 'The method of from this standpoint the book serves as patching used agrees with the method a splendid reference work. As a text one described by the ardent supporters of