Refractive lens exchange with the diffractive multifocal Tecnis ZM900 intraocular lens. 2008

Frank Joseph Goes
Goes Eye Centre, Antwerp, Belgium. frank@goes.be

To assess visual outcomes and patient satisfaction after refractive lens exchange followed by bilateral implantation of the multifocal Tecnis intraocular lens (IOL). This prospective case series involved 59 eyes of 30 patients aged 56 +/- 8 years. Fifty-seven eyes were hyperopic (+3.52 +/- 1.80 diopters [D]) and 2 eyes were myopic (-1.12 +/- 0.53 D). Near, intermediate, and distance visual acuities were assessed at 1 and 6 months postoperatively. At last follow-up, patients were asked about their overall satisfaction, the occurrence of photic phenomena, difficulties driving at night, and spectacle independence. Six months after surgery and laser retreatment in 15 eyes, 90% of eyes achieved monocular uncorrected distance visual acuity of 20/30 or better (0.087 +/- 0.085 logMAR) and 100% of eyes could read J2 or better without correction, including 90% of eyes achieving J1 or better (0.133 +/- 0.095 logMAR). Evaluation of visual performance at 1 month versus 6 months (n = 44 eyes, no retreatment) revealed a considerable improvement of the uncorrected (0.175 +/- 0.122 vs 0.127 +/- 0.094 logMAR; P = .005) and distance-corrected (0.099 +/- 0.057 vs 0.068 +/- 0.031 logMAR; P = .001) near visual acuity whereas mean refractive errors and distance visual acuity remained unchanged. Overall, 96.4% of patients were very satisfied with the procedure and would choose the same lens again. The majority of patients (92.8%) were totally free from spectacles with only 7.2% occasionally wearing glasses for intermediate tasks. The multifocal Tecnis ZM900 IOL provides good distance and near vision after refractive lens exchange and a period of neuroadaptation. However, laser vision correction might be required to achieve emmetropia as well as spectacles to achieve good intermediate vision.

UI MeSH Term Description Entries
D007910 Lenses, Intraocular Artificial implanted lenses. Implantable Contact Lens,Lens, Intraocular,Contact Lens, Implantable,Intraocular Lens,Intraocular Lenses,Lens, Implantable Contact
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011446 Prospective Studies Observation of a population for a sufficient number of persons over a sufficient number of years to generate incidence or mortality rates subsequent to the selection of the study group. Prospective Study,Studies, Prospective,Study, Prospective
D011474 Prosthesis Design The plan and delineation of prostheses in general or a specific prosthesis. Design, Prosthesis,Designs, Prosthesis,Prosthesis Designs
D012029 Refraction, Ocular Refraction of LIGHT effected by the media of the EYE. Ocular Refraction,Ocular Refractions,Refractions, Ocular
D005260 Female Females
D005500 Follow-Up Studies Studies in which individuals or populations are followed to assess the outcome of exposures, procedures, or effects of a characteristic, e.g., occurrence of disease. Followup Studies,Follow Up Studies,Follow-Up Study,Followup Study,Studies, Follow-Up,Studies, Followup,Study, Follow-Up,Study, Followup
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000203 Activities of Daily Living The performance of the basic activities of self care, such as dressing, ambulation, or eating. ADL,Chronic Limitation of Activity,Limitation of Activity, Chronic,Activities, Daily Living,Activity, Daily Living,Daily Living Activities,Daily Living Activity,Living Activities, Daily,Living Activity, Daily

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