INTRODUCTION:
Myopia could be simple myopia ( axial, curvatural and index) or pathological
myopia, which is characterized by increased axial length and degenerative changes in the
eye. Myopia can be corrected by non-surgical and surgical means. Modalities of nonsurgical
correction include the use of spectacles with a concave lens, and the wearing of
contact lenses
AIM:
To determine short term visual outcome and safety features following implantation of
Implantable Collamer Lens (ICL) for correction of myopia.
METHODS AND MATERIALS: Patients with moderate to high myopia (>-3.0D to -19.0D) who underwent
implantable collamer lens (ICL) implantation during the period from June 2009 to June
2010 at Institute of Ophthalmology, Joseph Eye Hospital, Trichy formed the study
population.
The data collection and analysis was carried out during the period from July 2009
to October 2010 which included 25 patients (40 eyes) who underwent implantation for
various indications such as moderate to high myopia and compound myopic astigmatism.
This was approved by the Institutional Ethics Committee.
SUMMARY: Myopia and uncorrected refractive error are among the leading causes of
blindness and vision impairment in the world, hence studies on modalities to correct these
priority eye diseases are of great relevance. There are two main types of surgical
correction for moderate to high myopia, namely excimer laser and phakic intraocular
lenses (pIOLs).. The use of pIOLs is a small but emerging area in refractive surgery. A
recent evidence-based review suggested that phakic IOLs are safer than excimer laser
surgical correction for moderate to high myopia in the range of -6.0 to -20.0 D, and that
pIOLs are preferred by patients. However, there are just a handful of documented
investigations in the literature pertaining to studies on pIOLs done in India. The present
investigation is believed to be the first in southern India to investigate the efficacy of the
implantable collamer lens (ICL) for the correction of myopia.
CONCLUSION: The present study was undertaken to assess the efficacy of the implantable
collamer lens (ICL) in correction of myopia (including moderate to high myopia) in a
southern Indian population, an aspect on which there appears to be limited verifiable
data. The results of the present study suggest that phakic intraocular lens implantation for
the correction of myopia seems to be an effective and predictable procedure for moderate
to high myopia. However, a longer follow up is required to assess the effect of agerelated
changes, such as an increase in the thickness of the lens
