""A Symposium On The Extraction Of Senile Cataract"" is a book written by Harry W. Woodruff in 1912. The book is a collection of essays and articles written by various experts in the field of ophthalmology, discussing the extraction of senile cataract. The book covers various techniques and methods for removing cataracts, including the use of local anesthesia, different types of incisions, and the use of various instruments. The book also discusses...