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Indian J Ophthalmol. 2020 Apr;68(4):589-594. doi: 10.4103/ijo.IJO_932_19.

Phacoemulsification in posterior polar cataract: Experience from a tertiary eye care Centre in North India.

Author information

1
Advanced Eye Centre, Postgraduate Institute of Medical Education and Research, Chandigarh, India.

Abstract

Purpose:

To determine the rate of posterior capsular rupture (PCR) and assess the postoperative outcomes in patients of posterior polar cataract (PPC) undergoing phacoemulsification using a combination of "V" or "λ" nucleofractis and viscodissection.

Methods:

It was a retrospective study of 80 eyes of 64 patients undergoing surgery for PPC. All surgeries were performed by a single surgeon. After completion of the continuous curvilinear capsulorrhexis (CCC), controlled hydrodelineation was used to separate the endonucleus from the epinuclear shell with limited viscodissection. Phacoemulsification was then carried out by making a "V" or lambda-shaped nucleofractis with the phaco tip followed by multiple chopping of the nucleus, ensuring the integrity of the epinuclear part of the lens. The epinuclear plate was removed after viscodissection.

Results:

The overall rate of PCR was 7.5% (6 out of 80 eyes). Of the 6 eyes, 4 eyes had been documented to have a pre-existing posterior capsular defect on slit-lamp examination. The rate of "on table" PCR, that is, PCR occurring intraoperatively was only 2.6% (2 of 76 eyes). Nucleus drop was not encountered in any case. Overall 87.5% eyes achieved a final visual acuity of 20/40 or better with 68.75% being 20/20 or better. Of the eyes developing PCR, two-third achieved a visual acuity of 20/30 or better.

Conclusion:

Using a combination of surgical techniques of V groove or lambda technique for nucleofractis and removal of epinucleus by viscodissection can result in a low rate of PCR and extremely good postoperative outcomes in cases of PPC.

KEYWORDS:

FLACS; Femtosecond laser assisted cataract surgery; V groove; hydrodelineation; lambda technique; posterior polar cataract; viscodissection

PMID:
32174575
DOI:
10.4103/ijo.IJO_932_19
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