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Implantable collamer lenses (ICL‘s) in keratoconus: a definitive treatment

Session Details

Session Title: Phakic IOLs and keratoconus or high astigmatism

Session Date/Time: Sunday 06/10/2013 | 17:00-18:30

Paper Time: 18:14

Venue: Elicium 1 (First Floor)

First Author: : S.Ganesh INDIA

Co Author(s): :                  

Abstract Details


To evaluate the safety & clinical outcome of Implantable collamer lenses (ICL) in patients of keratoconus.


Nethradhama Super Speciality Eye Hospital


Prospective, non randomised, non comparative, interventional study of ICL implantation in 67 eyes of 41 patients with keratoconus was carried out from January 2008 to December 2012 in a tertiary eye care centre .Progressive keratoconus was first stabilized with collagen cross linkage/ kera ring insertion. Minimum interval of 3months was kept between the stabilization procedure and ICL implantation. Data was collected pre op, at 3 months post C3R/ Keraring and at 6 month follow up visit after ICL implantation.


Out of the 67 eyes with keratoconus, 60 underwent C3R & 6 underwent Keraring insertion prior to ICL implantation. 18 (43.9%) were males and 23(56.1%) were females. Patients were in the age group of 19 – 41 years with majority 17 (41.46%) in the age group of 24 – 28 years. Preop refractive error varied from spherical equivalent of -1.62D to -25D, with mean spherical equivalent of – 9.75D. 30 eyes (44.78%) had pre op spherical equivalent between -5.25D to -10D. 9 eyes (13.43%) had pre op BCVA of 6/6 whereas 29 eyes (43.28%)had post op UCVA of 6/6.Post surgery V/A showed 1 line improvement in 18 (26.87%) eyes, 2 line improvement in 6 (8.96%) eyes, 3 line & 4 line improvement in 2 (2.99%) eyes each. V/A was status quo in 37 (55.22%) eyes and 2 (2.99%) eyes showed deterioration of V/A.1 eye had secondary glaucoma and the 1 had keraring infiltrates. Average interval between C3R / kera ring and ICL implantation was 367 days.


Implantation of ICL following stabilization of keratoconus with C3R or Keraring is a safe and effective option. Hence ICL is a much awaited definitive and rewarding form of treatment in patients with keratoconus.

Financial Interest:


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