crystalens accommodating iol

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Crystalens accommodating iol

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The contemporary treatment for cataracts is to remove the crystalline lens and replace it with an implantable lens. The Crystalens represents the state-of-the-art in implantable lens design and is the result of over 50 years evolution in the treatment of cataracts. The medical procedure to implant the crystalens is the same safe, proven cataract surgery performed annually on over 7 million eyes globally. Over 40 million procedures have been done in the last 25 years.

But because it is surgery, it is not completely risk-free. Complications of cataract surgery range from minor, usually temporary side effects, to sight-threatening complications. Fortunately, significant sight-threatening complications are rare, and include, but are not limited to, infection, hemorrhage, and retinal detachment. These and other complications may occur as a result of the removal of a cataract, whether or not an intraocular lens is implanted, and may result in poor vision, total loss of vision, or loss of the eye.

Dislocation of the lens and the need for additional surgery, such as lens removal and replacement are also possible risks of the procedure. In addition, people with existing medical conditions such as diabetes, high blood pressure, chronic inflammatory conditions, and chronic infections are at a higher risk of developing complications.

To our knowledge, this is the first study presenting long-term visual outcomes after Crystalens HD lens implantation. No patient cited any discomfort concerning visual function throughout the postoperative period. The Crystalens HD IOL could be considered a solution for patients requiring good far, near, and intermediate vision without spectacle dependency. However, the presence of posterior capsular opacification in a number of our patients and the need for Nd:Yag capsulotomy could have affected the performance of the IOL.

Nevertheless, longer follow-up and a larger series of patients are necessary, in order to confirm our results. National Center for Biotechnology Information , U. Journal List Clin Ophthalmol v. Clin Ophthalmol. Published online May Author information Copyright and License information Disclaimer.

Non-commercial uses of the work are permitted without any further permission from Dove Medical Press Limited, provided the work is properly attributed. This article has been cited by other articles in PMC. Methods In this study, 25 patients 50 eyes who underwent cataract surgery and bilateral Crystalens HD accommodative intraocular lens implantation were included.

Results The mean age was Conclusion Crystalens HD implantation seems to provide an improvement in visual acuity for far, intermediate, and near distances. Keywords: presbyopia, accommodation. Introduction The evolution in phacoemulsification technologies and intraocular lenses implantation expertise has turned cataract surgery into an extremely safe and refined procedure. Patients and methods Twenty-five patients 50 eyes , 12 males and 13 females, who underwent cataract surgery were enrolled.

Crystalens HD characteristics The Crystalens HD is a multipiece posterior chamber intraocular lens developed for the treatment of cataract. Preoperative examination The preoperative data obtained from the case records included patient age, sex, slit-lamp biomicroscopy, intraocular pressure, fundoscopy, and endothelial cell count. Surgical technique All surgeries were performed under sterile conditions by the same experienced surgeon IGP , using a standard phacoemulsification technique.

Postoperative examination Postoperatively, the patients were evaluated at 1, 3, 6, 12, 24, and 36 months. Results The mean follow-up after implantation was Open in a separate window. Figure 1. Change in corrected distance visual acuity CDVA bar graph. Figure 2. Cumulative uncorrected intermediate visual acuity UIVA.

Abbreviations: m, month s ; post-op, postoperative examination. Figure 3. Cumulative uncorrected near visual acuity UNVA. Figure 4. Figure 5. Discussion Visual rehabilitation, in terms of the restoration of far vision and near vision, is the goal of modern cataract surgery. Footnotes Disclosure The authors report no conflicts of interest in this work.

References 1. Lichtinger A, Rootman DS. Intraocular lenses for presbyopia correction: past, present, and future. Curr Opin Ophthalmol. Schachar RA. Theoretical basis for the scleral expansion band procedure for surgical reversal of presbyopia [SRP] Compr Ther. Scleral expansion bands for presbyopia. Implantation of scleral expansion band segments for the treatment of presbyopia.

Am J Ophthalmol. J Refract Surg. Visual outcomes and safety of a refractive corneal inlay for presbyopia using femtosecond laser. Visual outcomes and safety of a small diameter intrastromal refractive inlay for the corneal compensation of presbyopia.

New intraocular lens technology. Versteeg FF. Multifocal IOLs for presbyopia. J Cataract Refract Surg. Bellucci R. Multifocal intraocular lenses. Dick HB. Accommodative intraocular lenses: current status. Cumming JS, Kammann J. Experience with an accommodating IOL. Cataract Refract Surg.

Early visual results with the 1CU accommodating intraocular lens. Comparison of Acri. The effect of ocular aberrations on steady-state errors of accommodative response. J Vis. Initial experience with an accommodating intraocular lens: controlled prospective study.

Wang L, Koch DD. Custom optimization of intraocular lens asphericity. The change of spherical aberration during accommodation and its effect on the accommodation response. Clinical and quality of life data correlation with a single-optic accommodating intraocular lens.

J Optom.

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