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Vienna 2018 Delegate Registration Programme Exhibition Virtual Exhibition Satellites 2018 Survey


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Management of irregular astigmatism after complicated small-incision lenticule extraction surgery

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Session Details

Session Title: LASIK I

Session Date/Time: Sunday 23/09/2018 | 14:00-16:00

Paper Time: 15:26

Venue: Room A3, Podium 2

First Author: : S.Brar INDIA

Co Author(s): :    S. Ganesh                    

Abstract Details


To report the utility of CIRCLE software in managing irregular astigmatism following complicated SMILE surgery.


Nethradhama Superspeciality eye hospital, Bangalore


Two cases of irregular astigmatism after complicated SMILE were managed using the CIRCLE software of visumax laser .This software converts the cap into a flap, thus making access to the irregular interface possible. Case 1 was 26 year male, who presented 1 month after SMILE with reduced uncorrected distance visual acuity(UDVA) amd mixed astigmatism in both eyes. Clinical photography showed very rough interface with pitting in both eyes.Case2 presented 3 months post SMILE, with Corrected Distance Visual Acuity(CDVA) of 20/40 with acceptance of +1.5/ -2.00 D @70 in the left eye.ASOCT revealed localized irregularity and scarring,but no obvious lenticular tissue.


In both cases,CIRCLE software was used to convert the original cap into a flap to obtain access to the interface. In case 1, topo-guided treatment was performed on the irregular interface followed by washing of the interface with normal saline and reposition of the flap. In case 2, after lifting the flap, a small ledge of tissue was found in the interface,which was scraped,followed by which a 20 ยต topo smoothening was done. Both patients showed significant improvement in UDVA and CDVA on day 1 post repair surgery.


CIRCLE software may be successfully used for treating irregular astigmatism apart from performing enhancement after SMILE.

Financial Disclosure:

... travel has been funded, fully or partially, by a competing company

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