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Chapter-08 Phacoemulsification in Vitrectomized Eyes

BOOK TITLE: Recent Advances in Ophthalmology—9

Author
1. Chakrabarti Arup
2. Chakrabarti Meena
3. Stephen Valsa
4. John Sonia Rani
ISBN
9788184489613
DOI
10.5005/jp/books/11149_8
Edition
1/e
Publishing Year
2010
Pages
16
Author Affiliations
1. Chakrabarti Eye Care Center, Thiruvananthpuram, Kerala, India, Chakrabarti Eye Care Center, Thiruvananthapuram, Kerala, India, Chakrabarti Eye Care Center, Thiruananthapuram, Kerala, India
2. Chakrabarti Eye Care Center Thiruvananthpuram, Kerala, India, Trivandrum, Kerala, India, Chakrabarti Eye Care Center, Thiruvananthapuram, Kerala, India, Chakrabarti Eye Care Center, Thiruananthapuram, Kerala, India
3. Chakrabarti Eye Care Center Thiruvananthpuram, Kerala, India, Chakrabarti Eye Care Center, Thiruananthapuram, Kerala, India
4. Chakrabarti Eye Care Center Thiruvananthpuram, Kerala, India, Chakrabarti Eye Care Center, Thiruvananthapuram, Kerala, India, Chakrabarti Eye Care Center, Thiruananthapuram, Kerala, India
Chapter keywords

Abstract

Cataract development is one of the most common complications after vitrectomy; it develops in 12.5 to 80% of eyes. The risk factors for the development and progression of cataract are older age, degree of preoperative nuclear sclerosis, intraoperative lens touch, diabetic retinopathy, and silicone oil injection. The mechanisms of development of cataract in eyes which have undergone prior vitrectomy are many. These include lens touch with intraocular instruments, intraocular tamponading agents, crystallization process involving anterior hyaloid or posterior capsule resulting in reversible posterior capsular lens feathering and the influence of blood or inflammation leading to free radical release in the posterior segment. The indications for pars plana vitrectomy are fast expanding and the number of patients undergoing this procedure is increasing because of the improved surgical results. Therefore, the number of vitreoretinal surgeons is rising each year and hence a significant increase in the volume of vitrectomized patients, who in their vitrectomized state pose a challenge to the cataract surgeon.

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