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Evaluation of an intraoperative marking technique using the caruncula as a reference

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Session Details

Session Title: Cataract II
Session Date/Time: Saturday 27/02/2016 | 08:30-11:00
Paper Time: 10:12
Venue: Trianti Room
First Author: : B.Döller AUSTRIA
Co Author(s): :    R. Varsits   N. Hirnschall   P. Nguyen   O. Findl     

Abstract Details

Purpose:

To evaluate an intra-operative marking technique using the caruncular as a reference to allow intra-operative toric intraocular lens (IOL) alignment without preoperative corneal marking.

Setting:

Hanusch Hospital, Vienna, Austria

Methods:

Consecutive patients who were scheduled for cataract surgery, but a non toric version of an IOL, were included in this study. In all cases cataract surgery was performed as standard. Additionally, the horizontal meridian of the cornea was aligned using the caruncula and the corner of the eye (caruncular line) as a reference axis with the patient on the operating table. Afterwards, blue ink was used to mark the horizontal meridian. Post-operative marking alignment was assessed from standardised retroillumination photographs taken immediately after surgery.

Results:

In total, 40 eyes of 40 patients were included. No adverse events were reported and feasibility of the intra-operative marking was high. Mean absolute deviation between the post-operative and the aimed 180° horizontal meridian was 4.1° (SD 2.47°). Mean absolute deviation between the marked caruncular line and the intra-operative marking was 5.1° (SD 4.15°).

Conclusions:

Intra-operative marking using the caruncula line as a reference was relatively reliable. Altough modern marking techniques are slightly more accurate, this could be a good option for non marked patients in the intra-operative setting, or difficult cases.

Financial Disclosure:

NONE

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