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Indian J Ophthalmol. 2019 Oct;67(10):1684-1687. doi: 10.4103/ijo.IJO_1762_18.

Combination of capsular tension ring and capsular tension segment for the management of lens coloboma >4 clock hours.

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Advanced Eye Centre, Postgraduate Institute of Medical Education and Research, Chandigarh, India.


Lens colobomas extending more than 4 clock hours and causing visual impairment require lens extraction along with capsular support devices with scleral fixation for adequate centration of the capsular bag and for prevention of capsular fornix aspiration with inadvertent extension of zonular dialysis intraoperatively. In this case series, we describe a technique for the management of isolated lens colobomas involving 4-5 clock hours by clear lens extraction and intraocular lens implantation using a combination of a capsular tension ring with a capsular tension segment (CTS) for the centration and stability of the capsular bag. Hoffman's corneoscleral pocket and half-bow sliding knot technique were used for scleral fixation of the CTS.


Capsular tension ring; Hoffman's scleral pocket; capsular support device; capsular tension segment; lens coloboma; lenticular astigmatism

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