To evaluate the feasibility of using a new optical biometry technique, dual-beam partial coherence interferometry (PCI), to improve intraocular lens (IOL) power prediction in cataract surgery.Department Ophthalmology, Vienna General Hospital, and Institute Medical Physics, University Vienna, Austria.Preoperative axial length (AL) data obtained with PCI applanation ultrasound (US) 77 eyes 51 patients was applied 4 commonly used IOL formulas. The refractive outcome mean absolute error (MAE)...

To compare the results of posterior capsule opacification (PCO) quantification and repeatability a fully automated analysis system (Automated Quantification After-Cataract [AQUA]) with that 2 other methods subjective grading PCO. A test set digital retroillumination images 100 eyes PCO varying degrees was used.Department Ophthalmology, University Vienna, Austria.One hundred (100 patients) were selected to attain an even distribution from mild severe cases. The evaluated by 4 methods:...

To compare the posterior capsule opacification (PCO) inhibiting effect of sharp optic edge design Sensar OptiEdge AR40e intraocular lens (IOL) (Allergan Surgical) with that round-edged AR40 IOL. Setting Department Ophthalmology, University Vienna, Austria.This prospective randomized patient- and examiner-masked study comprised 106 eyes 53 patients bilateral age-related cataract. Each patient had cataract surgery in both received an IOL 1 eye other eye. Postoperative examinations were at...

To compare the rotational stability and posterior capsule opacification (PCO) rate in eyes with a 1-piece or 3-piece acrylic intraocular lens (IOL).Department of Ophthalmology, Medical University Vienna, Austria.Prospective randomized masked clinical trial.Patients age-related cataract received plate-haptic IOL (Acri.Smart 46S) 1 eye loop-haptic (Acri.Lyc 53N) other eye. Retroillumination images were taken hour, week, 1, 6, 12 months postoperatively. Intraocular rotation was measured using...

Purpose: To investigate the applicability of scanning version dual-beam partial coherence interferometry (PCI) for measuring anterior segment and axial length pseudophakic eyes in a clinical setting to determine achievable precision with this biometry technique. Setting: Department Ophthalmology, Vienna General Hospital, Institute Medical Physics, University Vienna, Austria. Methods: Partial was performed 39 patients after implantation foldable acrylic intraocular lens (IOL). Results:...

PURPOSE. Myogenic autoregulation is the ability of a vascular bed to maintain blood flow despite changes in perfusion pressure. Ocular pressure defined as difference between ocular arterial and venous pressure, latter dependent on intraocular (IOP). The aim present study was investigate effect moderate increases IOP haemodynamics. METHODS. Changes (+10 mmHg, +20 mmHg) were induced by suction cup 10 healthy subjects. fundus pulsations macula optic disc measured laser interferometry;...

To investigate intraocular lens (IOL) movement, measured as a change in anterior chamber depth (ACD) caused by pilocarpine-induced ciliary muscle contraction.Department of Ophthalmology, University Vienna, Austria.In this prospective study, the ACD was using high-precision, high-resolution, dual-beam partial coherence interferometry 62 pseudophakic eyes 55 patients under pilocarpine- and cyclopentolate-induced contraction relaxation. The following were studied: 2 models ring-haptic IOL...

To compare the posterior capsule opacification (PCO) inhibiting effect of sharp optic edge design Sensar OptiEdge AR40e intraocular lens (IOL) with that double-round AR40 IOL over a period 3 years.Department Ophthalmology, Medical University Vienna, Austria.Fifty-three patients bilateral age-related cataract (106 eyes) were included in this randomized prospective patient- and examiner-masked clinical trial intraindividual comparison. Each study patient had surgery both eyes received...

To measure the capsular bag diameter (CBDm) in vivo and calculate a regression formula for future preoperative prediction of (CBDp).Department Ophthalmology, University Vienna, Austria.This prospective study comprised 70 eyes having cataract surgery with implantation an open tension ring (CTR) (Morcher Type 14). Within first postoperative days, distance between ends CTR were measured through gonioscopy lens by adjusting slit height. This was added to known length circumference from this,...

To compare the postoperative changes in anterior chamber depth (ACD) between single-piece and multipiece AcrySof intraocular lenses (IOLs) (Alcon Laboratories, Inc.) their effect on refractive shift.Department of Ophthalmology, University Vienna, Austria.This prospective randomized bilateral study with intraindividual comparison comprised 104 eyes 52 consecutive patients age-related cataract. All had standardized cataract surgery a temporal self-sealing incision, phacoemulsification, IOL...

Journal of Cataract & Refractive Surgery: August 2009 - Volume 35 Issue 8 p 1474-1475 doi: 10.1016/j.jcrs.2009.06.003

PURPOSE: To compare posterior capsule opacification (PCO) and neodymium:YAG (Nd:YAG) laser capsulotomy rates 10 years after surgery between two 3-piece intraocular lenses (IOLs): a silicone IOL with round optic edges hydrophobic acrylic sharp edges. SETTING: Department of Ophthalmology, Medical University Vienna, Vienna General Hospital, Austria. METHODS: Patients having had cataract implantation at least 1 study by the same surgeon 1994 1999 were retrospectively examined. The number Nd:YAG...

Purpose To compare monocular visual performance of a spherical and an enhanced monofocal intraocular lens (IOL) after combined implantation. Methods This prospective study comprised 50 patients (100 eyes) with bilateral cataract surgery implantation the Sensar AAB00 IOL (Johnson & Johnson Vision) in dominant eye Eyhance ICB00 non-dominant eye. Postoperative assessment compared CDVA, CNVA, DCIVA, DCNVA, low contrast acuities, defocus curves, wavefront aberrometry, decentration, tilt,...

<h3>AIMS/BACKGROUND</h3> Recently a commercially available scanning laser Doppler flowmeter has been produced, which provides two dimensional maps of the retinal perfusion. The aim present study was to investigate reproducibility and sensitivity these measurements. <h3>METHODS</h3> 16 healthy subjects were randomised inhale different gas mixtures oxygen nitrogen in double blind crossover study. following administered: 100% + 0% nitrogen, 80% 20% 60% 40% 30% 70% 15% 85% 10% 90% nitrogen....

Purpose: To evaluate the efficacy of topical anesthesia as an alternative to peribulbar in clear corneal cataract surgery. Setting: Department Ophthalmology, University Vienna, Austria. Methods: In this prospective, double-blind clinical trial, 36 patients had bilateral surgeries performed from 1 3 months apart. Half for first surgery and second The other half then topical. All was done using a temporal approach bimanual phacoemulsification followed by in-the-bag intraocular lens...

To quantify changes in intraocular lens (IOL) position caused by neodymium: YAG (Nd:YAG) capsulotomy with 3 IOL styles.Department of Ophthalmology, University Vienna, Austria.In a prospective study, anterior chamber depth (ACD) was measured dualbeam partial coherence interferometry (PCI) 32 pseudophakic eyes patients posterior capsule opacification before and immediately after planned under mydriasis. Patients were divided into groups the following styles: 1-piece poly(methyl methacrylate)...

To measure effective lens position (ELP) of 4 intraocular lenses (IOLs) using high precision and resolution dual-beam partial coherence interferometry (PCI) to assess the tendency these IOLs produce a lens-capsule distance (LCD), possible risk factor for posterior capsule opacification.Department Ophthalmology, Vienna General Hospital; Institute Medical Physics, University Vienna, Austria.In retrospective study, PCI was used ELP LCD in 139 pseudophakic eyes 110 patients with IOLs: acrylic...

Over a two-year postoperative period, cells on hydrogel (poly HEMA) and poly(methyl methacrylate) (PMMA) intraocular lenses (IOLs) were observed by specular microscopy. First small, round fibroblast-like later epithelioid-like foreign-body giant could be seen both IOL types. In eyes with prolonged inflammation greater number of was the remained surface for longer period. We found fewer cell reactions IOLs during period our follow-up. Foreign-body only 9%. These smaller than those PMMA IOLs....

We did a prospective study of 49 eyes (36 patients) with coexisting cataract and glaucoma who had combined trabeculectomy, phacoemulsification, implantation folded polyHema intraocular lens through the trabeculectomy opening. Preoperatively, pressure (IOP) was controlled (< 20 mm Hg) in 13 on mean 2.2 medications uncontrolled (> 36 2.4 medications. Preoperative visual acuity ranged from 20/40 to hand movements. At end follow-up, IOP below 18 Hg all (100%), without therapy 39 (80%) reduced 8...