September 2016
Volume 57, Issue 12
Open Access
ARVO Annual Meeting Abstract  |   September 2016
Long term visual outcomes for bilateral multifocal intraocular lens ( bifocal) at Instituto de Oftalmología Fundación Conde de Valenciana, Anterior Segment Department. Mexico City.
Author Affiliations & Notes
  • Diego Zamora- de la Cruz
    Anterior Segment, Instituto de Oftalmolgía Fundación Conde de Valenciana, Cuauhtemoc, Distrito Federal, Mexico
  • Eduardo Chavez-Mondragon
    Anterior Segment, Instituto de Oftalmolgía Fundación Conde de Valenciana, Cuauhtemoc, Distrito Federal, Mexico
  • Footnotes
    Commercial Relationships   Diego Zamora- de la Cruz, None; Eduardo Chavez-Mondragon, None
  • Footnotes
    Support  NONE
Investigative Ophthalmology & Visual Science September 2016, Vol.57, 1306. doi:
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      Diego Zamora- de la Cruz, Eduardo Chavez-Mondragon; Long term visual outcomes for bilateral multifocal intraocular lens ( bifocal) at Instituto de Oftalmología Fundación Conde de Valenciana, Anterior Segment Department. Mexico City.. Invest. Ophthalmol. Vis. Sci. 2016;57(12):1306.

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      © 2017 Association for Research in Vision and Ophthalmology.

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Abstract

Purpose : Controversy exists whether the contrast sensitivity is not only diminished after implantation of a multifocal intraocular lens in a cataract and presbyopia context ,but also by the presence of glistenings within the lens. We tested the hypothesis that the amount of glistenings is related with the decrease of contrast sensitivity. We performed a retrospective cohort study to assess long term visual outcomes after the implantation of Restor +3.00 multifocal intraocular lens at our institution.

Methods : We analyzed 36 eyes of 18 randomly selected patients with previously implantation of Restor +3.00 since 2008 (2008-2014) at Instituto de Oftalmología Fundación Conde de Valenciana, Anterior segment department. We analyzed visual acuity(ETDRS) at near far and intermediate distance, contrast sensitivity test (FACT), visual function satisfaction questionnaire (VFQ25), PSF values (Sterhl ratio) and Glistenings. We show all results and correlate level of glistenings with contrast sensitivity values.

Results : We described results from 36 eyes. 88.2 % of our study population developed some grade of glistening within the multifocal intraocular lens. 28 ( 82.4 %) developed some grade of opacification of the posterior capsule which was managed by YAG laser, 100% of them revovered good vision. The range of vision in our patients were as follows 0.0 – 0.4 LogMAR in far visión, 0.0 to 0.5 Log MAR intermediate vision (80cm), and from 0.0 to 0.20 log MAR near vision (33 cm). We found significant reduction in contrast sensitivity at high frequencies, and normal values at low frequencies. However we found that as moderate or severe grade of glistenings were visualized within the introcular lens according to Miyata's scale (+3 or +4), the contrast decreased significantly in all frequencies.(p< 0.001) None of the patients with +3 or +4 glistening were linked with low visual acuity or low VFQ-25 scores as we had expected.

Conclusions :
The Restor +3.00 intraocular lens is a good option for patients with presbyopia and cataract. Most patients remain satisfied and glistenings only decrease contrast sensitivity without decreasing the amount of vision in patients. It is always better to inform patients that they may experience side effects such as halos and glare in low light conditions

This is an abstract that was submitted for the 2016 ARVO Annual Meeting, held in Seattle, Wash., May 1-5, 2016.

 

Glistenings on multifocal intraocular lens

Glistenings on multifocal intraocular lens

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