منابع مشابه
buckling of viscoelastic composite plates using the finite strip method
در سال های اخیر، تقاضای استفاده از تئوری خطی ویسکوالاستیسیته بیشتر شده است. با افزایش استفاده از کامپوزیت های پیشرفته در صنایع هوایی و همچنین استفاده روزافزون از مواد پلیمری، اهمیت روش های دقیق طراحی و تحلیل چنین ساختارهایی بیشتر شده است. این مواد جدید از خودشان رفتارهای مکانیکی ارائه می دهند که با تئوری های الاستیسیته و ویسکوزیته، نمی توان آن ها را توصیف کرد. این مواد، خواص ویسکوالاستیک دارند....
Extraction of Cataract
In spite of treatment no improvement in vision occurred. On May 16 the left pupil was inactive to light and by June 28 the fundus examination showed a secondary type of optic atrophy with some narrowing of the vessels. 'I'he right eye was normal throughout and, when seen in November 1935, was quite healthy, with 6/6 vision after correction. We infer that the massive lesion of the optic nerve wa...
متن کاملThe Evolution of Intracapsular Extraction of Cataract
Sir,?I should be obliged if you will please insert this letter with the following short note on the evolution of intracapsular extraction of cataract to prevent misapprehension on the subject. 1. An old method revived by Alexander Pagenstecher and his brother Herman. 2. Practised by Higgins of Guy's Hospital as pearly as 1888. 3. Practised by Colonel McCloghry, i.m.S., and Dr. Nanawati at Ahmed...
متن کاملCataract Extraction without Iridectomy.
IN cataract surgery iridectomy or iridotomy has been done as a general rule since 1864, when von Mooren first introduced it (Bellows, 1944). Different types of iridectomies have been advocated by various surgeons. Chandler in 1890 suggested a pin-hole peripheral iridectomy (Knapp, 1947), and Harrington (1949) also concluded that peripheral iridectomy was better than a complete iridectomy. Kirby...
متن کاملSimplified cataract extraction.
THERE are numerous techniques for the performance of cataract extraction and the literature is so vast that it is difficult to attempt to make any comprehensive references. The chief points of difference appear to be in the method of anaesthesia, the use of a conjunctival flap, and the method of making the incision and suturing the wound. A few brief notes will be made on each of these points a...
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ژورنال
عنوان ژورنال: American Journal of Ophthalmology
سال: 1920
ISSN: 0002-9394
DOI: 10.1016/s0002-9394(20)90816-4