SOME STATISTICS OF CATARACT EXTRACTION

Extracapsular cataract extraction - some problems.

Comments are made on the method of removing the anterior capsule during the performance of extracapsular cataract operations. The difficulty of performing this manoeuvre adequately is emphasised. Observations carried out during the postoperative period by means of the slit-lamp revealed some hitherto undescribed changes in the capsule. The edge of the anterior capsule can be clearly seen and lo...

Some Points in the Modern Technique of Cataract Extraction.

extraction and acetylation of purified trypsin from bovin pancreas and study of some its physico-chemical properties

آنزیم تریپسین در شرایط قلیایی ناپایدار می باشد .و فعالیت پروتئولیتیکی تریپسین منجربه خود هضمی آن در جایگاههای خاصی می گردد. بنابر این آنزیمی با ناپایداری بالا محسوب میگردد. در سالهای اخیر موفق شدند که با ایجاد تغیرات شیمیایی با اضافه کردن فلزات خاص ، کلسیم و یا عمل استیلاسیون منجر به افزایش پایداری آنزیم تریپسین گردند. مطالعات در حال حاضر نشان می دهد که تریپسین استیله شده فعالیت آنزیمی خود را ...

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...

Cataract 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...