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Indian J Ophthalmol. 2017 Aug;65(8):747-750. doi: 10.4103/ijo.IJO_296_17.

Extraocular needle- guided haptic insertion technique of scleral fixation intraocular lens surgeries (X-NIT).

Author information

1
Department of Vitreo Retina, Aravind Eye Hospital, Puducherry, India.
2
Department of Cornea & Refractive Surgery, Aravind Eye Hospital, Puducherry, India.
3
Department of Glaucoma, Aravind Eye Hospital, Puducherry, India.
4
Department of IOL, Aravind Eye Hospital, Puducherry, India.

Abstract

The most challenging step in sutureless scleral fixation of intraocular lens (SFIOL) is exteriorization of haptics. The conventional handshake technique has a learning curve since it involves intraocular handing over of haptics from one forceps to another. Here, we describe "extraocular needle-guided haptic insertion technique" (X-NIT), a novel technique of exteriorizing haptics that totally eliminates intraocular manipulations. This method involves sequential introduction of two bent 26-gauge needles through the sclera (pars plicata zone) into the eye which are brought out through a sclerocorneal wound. The intraocular lens haptics are threaded through these needles and exteriorized. Nineteen consecutive patients underwent surgery by this technique. There were no intraoperative complications. The mean best-corrected visual acuity (BCVA) of these patients at 1-month follow-up was 0.5 ± 0.3 (logarithm of the minimum angle of resolution) with 18 of 19 eyes showing one or more lines of improvement in BCVA. X-NIT is a safe, easy, cost-effective, and highly reproducible technique, especially for beginners.

PMID:
28820165
PMCID:
PMC5598190
DOI:
10.4103/ijo.IJO_296_17
[Indexed for MEDLINE]
Free PMC Article

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