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Lenses, Intraocular (1):
Recent article
Lenses, Intraocular
Abstract
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Abstract
To evaluate the spherical aberration in aspheric intraocular lenses (IOLs) using a model eye.
Nara Medical University, Nara, Japan.
Experimental study.
This study tested 20.00 diopter (D) and 10.00 to 30.00 D aspheric IOLs in a fluid-fi...
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PMID: 21511157
PDF is available here.
PDF is available here.
Abstract
We performed a retrospective study of a surgical case series of 25 patients who underwent DSAEK in the presence of an AC IOL. The donor central endothelial cell density (ECD) was recorded at 6 months and 1 year postoperatively and then compared with the preoperative eye bank values.
The average and...
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PMID: 20962627
PDF is available here.
PDF is available here.
Abstract
This preliminary report was attempted to compare the chemical components of mineral deposits on the surfaces of an opacified intraocular lens (IOL) and a calcified senile cataractous lens (SCL) by vibrational spectral diagnosis. An opacified intraocular lens (IOL) was obtained from a 65-year-old mal...
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PMID: 20691632
PDF is available here.
PDF is available here.
Abstract
To compare the accuracy of intraocular lens (IOL) power calculations with automated keratometry, a Placido-based corneal topographer, and a combined Placido-based and dual Scheimpflug corneal topographer.
Retrospectively, 75 eyes of 62 patients who had phacoemulsification with implantation of the SN...
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PMID: 20595893
PDF is available here.
PDF is available here.
Abstract
Abstract
Both square-edge hydrophobic acrylic and silicone IOLs were found to be compatible and safe for use in pediatric cataract surgery with similar visual axis clarity and postoperative outcome....
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PMID: 20847753
PDF is available here.
PDF is available here.
Abstract
To evaluate the effectiveness of a silicone intraocular lens (IOL) that can be adjusted following implantation using ultraviolet (UV) irradiation.
Prospective clinical trial of 40 patients (40 eyes) with visually significant cataract. Participants underwent small-incision phacoemulsification followe...
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PMID: 20438020
PDF is available here.
PDF is available here.
Abstract
To assess the efficacy of the Tetraflex (Lenstec Inc) intraocular lens (IOL) to provide enhanced near reading ability and spectacle independence relative to a monofocal control IOL in bilaterally implanted eyes tested binocularly.
A prospective, age-matched, non-randomized US Food and Drug Administr...
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PMID: 20027986
PDF is available here.
PDF is available here.
Abstract
These results demonstrate that accommodative training may be useful in improving near vision in patients with accommodating IOLs.
Copyright 2010, SLACK Incorporated....
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PMID: 20954685
PDF is available here.
PDF is available here.
Abstract
When corneal power is known, the Seitz/Speicher method (with or without Savini adjustment) seems the best solution to obtain an accurate IOL power prediction. Otherwise, the Masket method may be the most reliable option.
Copyright (c) 2010 ASCRS and ESCRS. Published by Elsevier Inc. All rights reser...
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PMID: 20692555
PDF is available here.
PDF is available here.
Abstract
We describe an optic capture technique that can be used during combined cataract and vitreoretinal surgery if in-the-bag implantation of an intraocular lens (IOL) is not possible. The IOL is placed in the ciliary sulcus, and optic capture is performed behind an intact anterior continuous curvilinear...
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PMID: 20692553
PDF is available here.
PDF is available here.
Abstract
The study enrolled 107 patients with a mean age of 69.9 years +/- 7.7 (SD). The image quality was sufficient for IOL rotation analysis in 91% of eyes. The mean rotation between the first day postoperatively and 120 to 180 days was 1.93 +/- 2.33 degrees, with 96% of IOLs rotating fewer than 5 degrees...
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PMID: 20692565
PDF is available here.
PDF is available here.
Abstract
Abstract
Methods using surgically induced change in refraction or no previous data had significantly smaller mean absolute IOL prediction errors, smaller variances, and a greater percentage of eyes within +/-0.50 D and +/-1.00 D of refractive prediction errors than methods using pre-LASIK/PRK keratometry (K)...
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PMID: 20692556
PDF is available here.
PDF is available here.
Abstract
Acquisition of images in pseudophakic eyes with the Purkinje meter was simple and rapid. The method was highly reliable for 1 examiner and between 2 examiners.
Copyright (c) 2010 ASCRS and ESCRS. Published by Elsevier Inc. All rights reserved....
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PMID: 20692566
PDF is available here.
PDF is available here.
Abstract
The study enrolled 32 eyes of 22 patients. Twelve months postoperatively, the mean monocular corrected distance acuity was 0.03 +/- 0.05 logMAR and the mean corrected near acuity was 0.04 +/- 0.05 logMAR. The binocular uncorrected and corrected near acuity was 0.25 +/- 0.08 logMAR and 0.03 +/- 0.02...
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PMID: 20692563
PDF is available here.
PDF is available here.
Abstract
The precision of the PCI measurements was extremely high for AL with low fluctuations (95% limits of agreement [LoA], 0.06 mm) and was relatively high for K readings with higher fluctuations (95% LoA, 0.55 D) and for ACD (95% LoA, 0.2 mm). The precision of astigmatism and cylinder axis was high in f...
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PMID: 20692557
PDF is available here.
PDF is available here.
Abstract
To evaluate the characteristics of and risk factors for spontaneous late in-the-bag intraocular lens (IOL) dislocation and to analyze the outcomes of surgical correction.
Department of Ophthalmology, Complejo Hospitalario Orense, Orense, Spain.
In this retrospective single-surgeon interventional cas...
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PMID: 20656148
PDF is available here.
PDF is available here.
Abstract
In enucleated globes, mean +/- SD lens diameter was 20.14 +/- 0.75 mm. Preoperative and postoperative refractive state of enucleated globes with 30-D IOL implants was -0.46 +/- 1.03 D and -2.47 +/- 1.03 D, respectively; preoperative and postoperative difference in refraction was 2.96 +/- 0.84 D. Pre...
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PMID: 20594084
PDF is available here.
PDF is available here.
Abstract
Toric error was reduced in each of the patients and refractions remained stable for the 9 month follow-up period. Achieved spherical equivalent manifest refraction (MRSE) was within 0.25 D of targeted emmetropia. All five patients improved their UCVA to >or=20/25 (
PDF is available here.
PDF is available here.
Abstract
The study included eight men and seven women. Their ages ranged from 7 to 69 years (mean 40+/-21.53 years). The preoperative best corrected visual acuity (BCVA) ranged from 3/60 to 6/9. The operation time ranged from 25 to 50 min (mean 34.55+/-7.66 min). Anterior vitrectomy was performed in nine (60...
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PMID: 20508044
PDF is available here.
PDF is available here.
Abstract
Abstract
For cataract patients without prior laser vision correction, the OCT-based IOL formula was as accurate as the current theoretic formulae. This new formula is based on direct OCT assessment of the posterior curvature and avoids the calculation errors inherent in conventional IOL formulae.
Copyright 2...
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PMID: 20677729
PDF is available here.
PDF is available here.
Abstract
Under application of pilocarpine 1 % and cyclopentolate a small movement of the 1CU-IOL was examined. The amount of the anterior/posterior shift of the IOL reflex was stable over the follow-up period but is not sufficient to provide full presbyopic correction.
Georg Thieme Verlag KG Stuttgart, New Y...
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PMID: 20217634
PDF is available here.
PDF is available here.
Optics Letters (35)10 2010
Abstract
Recent versions of the International Organization for Standardization (ISO)-based model eye for intraocular lens testing include an artificial cornea whose spherical aberration is chosen to match the value of a human cornea. Aspheric lenses have been used as artificial corneas, but they are expensiv...
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PMID: 20479801
PDF is available here.
PDF is available here.
Abstract
The LAL is a new IOL with the ability to correct up to 2.00 D of sphere and cylinder after implantation. Our first clinical results are promising and indicate effective safety and stability.
Copyright 2010, SLACK Incorporated....
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PMID: 20506987
PDF is available here.
PDF is available here.
Abstract
Implantation of both haptics in the sulcus was not achieved in all eyes. The haptics and optics remained in close proximity to the posterior iris surface.
(c) 2010 ASCRS and ESCRS. Published by Elsevier Inc. All rights reserved....
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PMID: 20457368
PDF is available here.
PDF is available here.
Abstract
Each IOL model was implanted in 20 eyes (10 patients). All IOL models resulted in good distance vision, with no statistically significant differences between models. Patients with the +3.00 aspheric IOL had statistically better binocular CIVA at 50, 60, and 70 cm (P<.0001) and binocular CNVA at 40 c...
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PMID: 20457363
PDF is available here.
PDF is available here.
Abstract
We describe a new scleral fixation method that combines the advantages of temporary haptic externalization and injector implantation of an intraocular lens (IOL). After IOL insertion with the injector, each haptic is externalized through 2 adjacent corneal incisions. A 10-0 polypropylene suture loop...
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PMID: 20457360
PDF is available here.
PDF is available here.
Abstract
Objective analysis of digital retroillumination images allowed sensitive assessment of IOL rotation and centration stability. Eye rotation between images can lead to significant errors if not taken into account. Image quality is important to analysis accuracy.
(c) 2010 ASCRS and ESCRS. Published by...
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PMID: 20457369
PDF is available here.
PDF is available here.
Abstract
The AS-OCT device showed a bias toward underestimation of ACD compared with the PCI device. The bias increased as ACD shallowed with pilocarpine, resulting in overestimation of forward IOL movement by AS-OCT. This may lead to overestimation of the accommodative performance of IOLs. The ACD measureme...
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PMID: 20457371
PDF is available here.
PDF is available here.
Abstract
Abstract
Predictability of postoperative ocular spherical aberration after cataract surgery with aspheric IOL implantation was insufficient because of the surgically induced corneal spherical aberration. Considering surgically induced corneal spherical aberration could improve the predictability of postopera...
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PMID: 20457366
PDF is available here.
PDF is available here.
Abstract
Objective accommodation and forward axial shift were clinically insignificant with the accommodating IOL. The near visual performance was attributed to depth of focus rather than to true pseudophakic accommodation.
(c) 2010 ASCRS and ESCRS. Published by Elsevier Inc. All rights reserved....
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PMID: 20457367
PDF is available here.
PDF is available here.
Abstract
Abstract
The practice patterns of the members of the COS for cataract surgery have not been reported before. This survey will serve as a baseline for future ones....
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PMID: 20379294
PDF is available here.
PDF is available here.
Abstract
Abstract
Glaucoma is a common ocular disease. Functional and structural changes associated with glaucoma require special consideration in the patient who is undergoing cataract/IOL surgery. Decreased contrast sensitivity found in glaucoma may be enhanced by the use of aspheric IOLs. Small pupils and weakened...
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PMID: 20040877
PDF is available here.
PDF is available here.
Abstract
Aspherical IOL can reduce spherical aberration. The changes of coma and the changes of the aberration induced by the cornea incision need further exploration....
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PMID: 20450672
PDF is available here.
PDF is available here.
Abstract
Compared with the TCCI, the OCCI could correct some corneal astigmatism and reduce IAD induced by the SIA shift. As a result, the OCCI could improve the accuracy of Acrysof Toric lens implantation and the ability to correct astigmatism....
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PMID: 20450670
PDF is available here.
PDF is available here.
Abstract
Corneal venting incisions in DSAEK surgery may be a portal of entry for microorganisms, leading to corneal and intraocular infection, and a high index of suspicion is warranted in the presence of stromal infiltrates or inflammation at venting sites....
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PMID: 20118788
PDF is available here.
PDF is available here.
Abstract
One year after penetrating keratoplasty, the patient had a visual acuity of 20/60 with mild neurotrophic keratopathy and irregular astigmatism. CONCLUSION: The use of intraocular air at the time of graft repositioning can induce posterior dislocation of an IOL in the setting of a YAG capsulotomy ope...
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PMID: 20098315
PDF is available here.
PDF is available here.
Optics Express (18)5 2010
Abstract
We propose a new way to graphically synthesize all the properties of these lenses, using a radar graph....
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PMID: 20389537
PDF is available here.
PDF is available here.
Abstract
The data suggest that each eye of an individual patient be considered independently when selecting IOL power as part of cataract surgery.
Copyright 2010, SLACK Incorporated....
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PMID: 20229952
PDF is available here.
PDF is available here.
Abstract
All three IOLs provide similar uncorrected and best corrected distance visual acuity. However, the ZM900 IOL provides better binocular distance corrected and uncorrected near acuity than the SA60D3 or SN60D3. The ZM900 IOL group was more myopic preoperatively compared to the other two groups, which...
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PMID: 20229949
PDF is available here.
PDF is available here.
Abstract
Capsulotomy rates observed varied for the four MICS-IOL-types tested. The posterior capsule opacification frequency of the two best MICS-IOLs (AcriFlex, AcriSmart) did not exceed the higher variance levels of posterior capsule opacification rates of the round-edged "conventional" non-MICS IOLs of PM...
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PMID: 20234985
PDF is available here.
PDF is available here.
Abstract
Optics Express (18)3 2010
Abstract
We found that the discrepancies of the radii of curvature estimates from 3-D optical distortion corrected OCT images are less than 1% with respect to nominal values. Optical distortion correction in 3-D is critical for quantitative analysis of OCT anterior segment imaging, and allows accurate topogr...
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PMID: 20174107
PDF is available here.
PDF is available here.
Der Ophthalmologe (107)2 2010
Abstract
Capsular block syndrome (CBS) is a complication of uncomplicated cataract surgery. Depending on etiology and the time of onset CBS can be subdivide into three types. The cases of 4 patients with CBS type III who presented with a milky fluid in the space between the posterior surface...
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PMID: 19756643
PDF is available here.
PDF is available here.
Der Ophthalmologe (107)2 2010
Abstract
In the last decades, the implantation of pseudophakic and phakic toric lenses has become widespread for correcting corneal astigmatism: in cataract surgery cases with implantation of a posterior chamber lens and in refractive surgery cases with implantation of phakic lenses. The purp...
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PMID: 20140618
PDF is available here.
PDF is available here.
Optics Express (18)2 2010
Abstract
An instrument permitting visual testing in white light following the correction of spherical aberration (SA) and longitudinal chromatic aberration (LCA) was used to explore the visual effect of the combined correction of SA and LCA in future new intraocular lenses (IOLs). The LCA of the eye was corr...
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PMID: 20173991
PDF is available here.
PDF is available here.
Survey of Ophthalmology (55)3 2010
Abstract
We report the results of a complete review of all peer-reviewed published studies regarding the impact of blocking the transmission of blue light. Fifty-six published reports on subjects related to blue-blocking lenses including sleep disturbance, visual outcomes, cataract surgery, lens transmittanc...
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PMID: 20499436
PDF is available here.
PDF is available here.
Abstract
Abstract
Abstract
Abstract
Abstract
A prospective comparative study was undertaken to compare the patients' pain experience, surgical outcome and surgeon's experience in phacoemulsification and manual small incision cataract surgery (MSICS) under topical anesthesia supplemented with intracameral lignocaine (TASIL). In Group 1 (n=88) p...
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PMID: 20952844
PDF is available here.
PDF is available here.
Abstract
Uveitis is composed of a diverse group of disease entities, which in total has been estimated to cause approximately 10% of blindness. Uveitis is broadly classified into anterior, intermediate, posterior and panuveitis based on the anatomical involvement of the eye. Anterior uveitis is, however, the...
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PMID: 20029142
PDF is available here.
PDF is available here.
Abstract
Diffractive IOLs studied presented similar MTF curves for a 5 mm pupil diameter. Both diffractive IOLs showed similar spherical aberration, which was significantly better with the full-diffractive IOL Tecnis than with the refractive IOL ReZoom....
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PMID: 20195032
PDF is available here.
PDF is available here.