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First Author: S.Murthy INDIA
Co Author(s): N. Begum K. Babu
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To describe the utility of Implantable Collamer Lens (ICL) in managing the refractive error and to assess predictability, efficacy, safety and stability in patients who received an Implantable Collamer Lens to correct moderate to high refractive error
Tertiary Eye Care center in South India
Retrospective study of 41 eyes of 22 patients who underwent Implantable Collamer Lens. The pre-operative visual acuity, demographic data, lens parameters and postoperative uncorrected and best-spectacle corrected visual acuities as well as residual refractive error were noted. Statistical analysis was done to calculate means and standard deviations and vector analysis was done to calculate residual mean errors.
There were 13 males and 9 female patients, with mean age of 25 years (range 19 to 46 years). Three underwent unilateral surgery, whereas 19 underwent bilateral sequential surgery. Mean preoperative best-corrected distance visual acuity (decimal notation) was 0.8 ±0.21. Mean postoperative best-corrected distance visual acuity was 0.95 ±0.10.The uncorrected visual acuity was 20/30 or better in all the 41(100%) eyes post-operatively. The best-corrected visual acuity was 20/20 in 33 eyes (80%), 20/25 in 6 eyes (15%) and 20/30 in 2 eyes (5%). Out of 22 subjects, 4 of them had 20/20 visual acuity and who did not require correction. The rest of the subjects gained 20/30 or better visual acuity without any optical correction. The treatment was highly predictable for spherical equivalent and astigmatic components with a mean of -0.13DS ±0.80 and -1.00DCyl ±0.82 respectively. No complications were noted in our series.
In our cohort, implantable collamer lens was effective in providing excellent visual outcome in all patients. The results of the present study support the safety, efficacy, and predictability of implantable collamer lens implantation to treat moderate to high refractive error.