Optical quality of the eye after lens replacement with a pseudoaccommodating intraocular lens

Abstract

Implantation of the pseudoaccommodating IOL in healthy eyes yielded uncorrected levels of high-contrast, distance, and near acuities comparable to preoperative best corrected values. Higher-order aberration levels appeared to be similar to the preoperative values.

Visual Performance after AcrySof ReSTOR Aspheric Intraocular Lens Implantation

“…Multifocal patients reported less limitation in visual function and less spectacle dependency than patients with Mean, high-contrast, binocular visual acuity (logMAR) with a best correction for distance vision, as a function of the chart vergence for the AcrySof ReSTOR aspheric IOL (SN6AD3 model). Red circular symbols show data from the present study, black symbols are data from Blaylock et al 18 (SN60D3 model), blue symbols from Alfonso et al 12 (SN60D3 model) and green symbols from Montés-Micó et al 19 (SN60D3 model). Data from Baylock et al 18 , Alfonso et al 12 , and for the present study were obtained by varying the chart distance and from Montés-Micó et al 19 by altering chart vergence with lenses (last one was corrected for lens effectivity and spectacle magnification at the 15 mm vertex distance used).…”

“…Red circular symbols show data from the present study, black symbols are data from Blaylock et al 18 (SN60D3 model), blue symbols from Alfonso et al 12 (SN60D3 model) and green symbols from Montés-Micó et al 19 (SN60D3 model). Data from Baylock et al 18 , Alfonso et al 12 , and for the present study were obtained by varying the chart distance and from Montés-Micó et al 19 by altering chart vergence with lenses (last one was corrected for lens effectivity and spectacle magnification at the 15 mm vertex distance used). Note that some points on the graph at the same vergence were slightly displaced to facilitate visualization.…”

“…For the spherical ReSTOR Natural IOL (data from Blaylock et al 18 , Alfonso et al 12 and Montés-Micó et al 19 ) we may observe two peaks in the graph at the expected near and far foci (corresponding to 0 and -3. 18 and Alfonso et al 12 vision questionnaire on this should be performed to prove this statement.…”

“…Previous clinical trials evaluating clinical, optical, functional and quality-of-life outcomes after AcrySof ReSTOR IOL implantation [10][11][12][13]18,19 have shown that this IOL can improve near vision while providing a good level of distance vision. Multifocal patients reported less limitation in visual function and less spectacle dependency than patients with Mean, high-contrast, binocular visual acuity (logMAR) with a best correction for distance vision, as a function of the chart vergence for the AcrySof ReSTOR aspheric IOL (SN6AD3 model).…”

Optics of Astigmatism and Retinal Image Quality

“…Researchers have recently demonstrated that certain combinations of nonrotationally symmetric aberrations, such as coma and astigmatism, can result in better retinal image quality as compared to the condition with the same amount of astigmatism alone (de Gracia et al, 2010). Other authors have studied the effect of cataract surgery on the optical aberrations of the eye, and astigmatism in particular (Montés-Micó et al, 2008;Guirao et al 2004;Marcos et al, 2007). Most of these studies found that astigmatism increased significantly after surgery.…”