Abstract:
PURPOSE:To evaluate the efficacy of AcrySof SN60WF aspheric intraocular lens (IOL) in decreasing spherical aberration and total higher order aberrations (HOAs) after cataract surgery compared to the spherical SN60AT lens. METHODS:Wavefront analysis was conducted on 28 eyes of 28 patients that underwent un-complicated phacoemulsification with implantation of either SN60WF (15 eyes) or SN60AT lenses (13 eyes). Eyes with a history of uveitis, retinal diseases, and previous surgery were excluded. RESULTS:SN60WF eyes had less mean absolute spherical aberration than SN60AT eyes both at 4 mm (0.04+/-0.03 vs 0.11+/-0.03 RMS, p<0.0001) and 6 mm pupils (0.09+/-0.04 vs 0.43+/-0.12 RMS, p<0.0001). Mean total HOAs was lower in the SN60WF group at 6 mm pupils (0.44+/-0.14 vs 0.56+/-0.13 RMS, p=0.0274), while no difference was seen at 4 mm pupils (0.20+/-0.10 vs 0.25+/-0.08 RMS, p=0.160). There were no clinically significant differences between the SN60WF and SN60AT IOLs both at 4 and 6 mm pupils in terms of coma (0.16+/-0.07 vs 0.18+/-0.09 RMS, p=0.514 and 0.25+/-0.12 vs 0.23+/-0.12 RMS, p=0.664) and trefoil (0.14+/-0.09 vs 0.10+/-0.05 RMS, p=0.167 and 0.28+/-0.12 vs 0.23+/-0.07 RMS, p=0.199). There were no differences be-tween groups in mean age, axial length, postoperative spherical equivalent, IOL power, or corneal curvature. CONCLUSIONS:An aspheric posterior optic IOL design with thinner center effectively reduces the positive ocular spherical aberration observed in the pseudophakic and elderly eyes, especially at larger pupillary diameters (6 mm), with no notable increase in coma. However, reduction in total ocular HOAs was only significant at 6 mm pupils.
journal_name
Eur J Ophthalmoljournal_title
European journal of ophthalmologyauthors
Awwad ST,Lehmann JD,McCulley JP,Bowman RWdoi
10.1177/112067210701700307subject
Has Abstractpub_date
2007-05-01 00:00:00pages
320-6issue
3eissn
1120-6721issn
1724-6016journal_volume
17pub_type
杂志文章abstract:PURPOSE:Two cases with optic disc pit associated maculopathy, treated with vitrectomy surgery with internal limiting membrane peeling (ILM) and gas tamponade, are presented. METHODS:Interventional case reports. RESULTS:Two patients with serous macular detachment associated with a congenital optic pit underwent vitrec...
journal_title:European journal of ophthalmology
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journal_title:European journal of ophthalmology
pub_type: 临床试验,杂志文章,随机对照试验
doi:
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abstract::Idiopathic macular holes have long been considered to be a stable, untreatable condition with little or no chance of spontaneous visual improvement. Within the last few years, surgical intervention has been developed for the management of idiopathic Stage 3 and Stage 4 holes. With pars plana vitrectomy surgery, at lea...
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更新日期:2017-01-19 00:00:00
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更新日期:2021-01-28 00:00:00
abstract::Retinal ganglion cells (RGCs) undergo programmed cell death (apoptosis) after axonal injury. This cell death is mediated by several mechanisms, including deprivation of neurotrophic factors, alterations in gene expression, and production of reactive oxygen species. However, death of RGCs is delayed after axonal injury...
journal_title:European journal of ophthalmology
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doi:
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journal_title:European journal of ophthalmology
pub_type: 临床试验,杂志文章,随机对照试验
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