Accuracy of intraoperative aberrometry versus preoperative biometry for intraocular lens power selection in short and long eyes.

Background: To compare the accuracy of intraoperative wavefront aberrometry using the ORA VLynk system with different biometry-based formulas in short and long eyes after cataract surgery.

Methods: This prospective study considered 48 eyes with axial lengths of <22.1 mm and 48 eyes with axial lengths of >25.

Assessment of corneal epithelial thickness mapping by spectral-domain optical coherence tomography.

Background: To assess corneal epithelial-thickness (ET) mapping resulting from spectral-domain-optical-coherence-tomography (SD-OCT) by analysing its repeatability and reproducibility and its utility for screening corneal-refractive-surgery (CRS) candidates.

Methods: ET was measured in 25-sectors by two-operators. Intra-subject-standard-deviation, coefficient-of-repeatability (CoR) and coefficient-of-variability (CoV) were calculated to evaluate repeatability.

Axial length acquisition success rates and agreement of two swept-source optical biometers in eyes with dense cataracts.

Background: Swept-source optical coherence tomography-based (SS-OCT) biometers have been used in different clinical studies with the aim of assessing the accuracy of the technique, specifically in eyes with dense cataracts. Our objective is to evaluate the axial length acquisition success rates and agreement of two SS-OCT biometers when measuring axial length and biometric parameters in eyes with dense cataracts.

Methods: 46 eyes (46 patients) with dense cataracts (LOCS III grade ≥ 4) were measured 3 consecutive times using the Eyestar 900 and Argos SS-OCT biometers.

Recognition vs resolution charts for defocus curve determination in trifocal intraocular lenses.

Purpose: To determine the impact of optotype choice on the determination of defocus curve in patients with cataract implanted with presbyopia-correcting intraocular lens (IOL).

Setting: Oftalvist Alicante, Alicante, Spain.

Design: Observational case-control study.

Precision of a new SS-OCT biometer to measure anterior segment parameters and agreement with 3 instruments with different measurement principles.

Purpose: To evaluate the repeatability of a new swept source optical coherence tomography (SS-OCT)-based biometer to measure anterior segment parameters and to assess the agreement with 3 other imaging devices based on different measurement principles.

Setting: Unit of Eye and Vision, Department of Clinical Neuroscience, Karolinska Institute, Stockholm, Sweden.

Design: Prospective, comparative case series.

Axial length acquisition success rates and agreement of four optical biometers and one ultrasound biometer in eyes with dense cataracts.

Background: To evaluate the axial length acquisition success rates and agreement between various biometric parameters obtained with different biometers in dense cataracts.

Methods: Fifty-one eyes were measured using Anterion®, Argos® and IOLMaster® 700 swept-source optical coherence tomography (SS-OCT) biometers, a Pentacam® AXL partial coherence interferometry (PCI) biometer, and an OcuScan® RxP ultrasound biometer. We measured keratometry (K1, flattest keratometry and K2, steepest keratometry), white-to-white (WTW), anterior chamber depth (ACD), lens thickness (LT) and axial length.

Repeatability of a fully automated swept-source optical coherence tomography biometer and agreement with a low coherence reflectometry biometer.

Background: To evaluate the repeatability of a fully automated swept-source optical coherence tomography (SS-OCT) and its agreement with an optical low coherence reflectometry (OLCR) for several biometric parameters.

Methods: In this study, 74 eyes of 74 patients were measured using the Eyestar 900 SS-OCT and Lenstar LS 900 OLCR. Flat keratometry (K1) and steep keratometry (K2), central corneal thickness (CCT), anterior chamber depth (ACD), lens thickness (LT), and axial length (AL) were measured three times with each device.

Vision-Related Quality of Life after Cataract Surgery in West Africa.

Purpose: To study vision related quality of life (VRQoL) before and after a massive cataract campaign in West Africa and the relationship with visual indicators.

Methods: All the patients who received cataract surgery in Burkina Faso during a blindness prevention campaign were examined. VRQoL was assessed using a modified version of the WHO/PBD VF20.

Axial length measurement failure rates using optical biometry based on swept-source OCT in cataractous eyes.

Introduction: Ocular dimensions measurement is extremely important in cataract procedures and refractive surgery. The use of optical techniques for axial measurements has been developed in recent years.

Areas Covered: The purpose was to summarize the outcomes reported when swept-source optical coherence tomography (SS-OCT) optical biometry failed during axial length measurement.

Agreement of predicted intraocular lens power using swept-source optical coherence tomography and partial coherence interferometry.

Purpose: To analyze the agreement of the predicted intraocular lens (IOL) power obtained with ANTERION, IOLMaster 700 and Pentacam AXL biometers.

Methods: We calculated the monofocal and trifocal IOL power using the SRK/T, Haigis, Barrett Universal II and Hoffer Q formulas for 106 eyes. IOL power agreement between devices was evaluated using the Bland-Altman method.

Lens-vault analysis and its correlation with other biometric parameters using swept-source OCT.

Purpose: To measure lens vault (LV) and to assess its correlation with various ocular parameters in healthy eyes, using for all measurements the same high-resolution swept-source optical coherence tomographer (SS-OCT).

Methods: We prospectively recruited 67 Caucasian healthy patients whose mean age was 41.9 ± 12.

Enhanced Monofocal Extended Depth of Focus IOL With a Diffractive Surface Design.

Purpose: To evaluate the refractive and visual outcomes following cataract surgery and implantation of a new enhanced monofocal extended depth of focus (EDOF) intraocular lens (IOL).

Methods: Fifty eyes of 25 consecutive patients who underwent implantation of the xact Mono-EDoF IOL (Santen Pharmaceutical Co, Ltd) were enrolled in this study. Main outcome measures were refractive error and monocular corrected (CDVA) and uncorrected (UDVA) distance visual acuity values.

Transitional conic toric intraocular lens evaluation after femtosecond laser-assisted cataract surgery using intraoperative aberrometry.

Purpose: To assess refractive and visual outcomes following phacoemulsification with femtosecond laser-assisted cataract surgery (FLACS) using intraoperative aberrometry and implantation of a toric intraocular lens (IOL) in eyes with different degrees of astigmatism.

Methods: One hundred two eyes of 70 patients who underwent implantation of the transitional toric 565 Precizon IOL (Ophtec BV) were enrolled. FLACS, capsular tension ring insertion, and intraoperative aberrometry were performed.

In vivo optical quality of posterior-chamber phakic implantable collamer lenses with a central port.

Background: The aim of this review is to summarize the optical quality results in patients following the implantation of the V4c implantable collamer lens with a central port (ICL, STAAR Surgical Inc.).

Main Text: A literature search in several databases was carried out to identify those publications, both prospective, retrospective and/or comparative with other refractive surgery procedures, reporting optical outcomes of patients who were implanted with the V4c ICL model.

Evaluation of Physiological Parameters on Discomfort Glare Thresholds Using LUMIZ 100 Tool.

Purpose: To assess the links between discomfort glare sensitivity and physiological factors such as eye biometry, refraction, skin phototype, age, and gender among a large sample of healthy human subjects.

Methods: A total of 489 participants who were 20 to 70 years old (241 men, 248 women) underwent discomfort glare threshold measurements via the LUMIZ 100. Eye biometry and optical quality were measured using a Zeiss IOLMaster 700 biometer and i.

Evaluation of 6 biometers based on different optical technologies.

Purpose: To evaluate repeatability and agreement between various biometric parameters using 6 biometers based on different optical technologies.

Setting: University of Valencia, Spain.

Design: Prospective, comparative case series.

Agreement between intraoperative anterior segment spectral-domain OCT and 2 swept-source OCT biometers.

: To evaluate the agreement of different biometric parameters obtained using intraoperative spectral-domain optical coherence tomography (SD-OCT) and two swept-source optical coherence tomography (SS-OCT) based biometers.: 102 eyes were assessed using the intraoperative SD-OCT integrated into the Catalys femtosecond-laser, and the IOLMaster 700 and Anterion SS-OCT-based-biometers. Central corneal thickness (CCT), anterior chamber depth (ACD), white-to-white (WTW), and lens thickness (LT) were measured.

Agreement Between Angle-to-Angle Distance and Aqueous Depth Obtained With Two Different Optical Coherence Tomographers and a Scheimpflug Camera.

Purpose: To compare angle-to-angle (ATA) distance and aqueous depth (AQD) readings produced by two different optical coherence tomography (OCT) devices and a Scheimpflug camera.

Methods: ATA distance and AQD were measured in 60 eyes using the Visante time-domain OCT (TD-OCT) (Carl Zeiss Meditec AG), the Anterion swept-source OCT (SS-OCT) (Heidelberg Engineering GmbH), and the Pentacam HR Scheimpflug camera (Oculus Optikgeräte GmbH). Moreover, ATA distance was measured along the horizontal and vertical meridians.

Optical and visual quality assessment of an extended depth-of-focus intraocular lens based on spherical aberration of different sign.

Purpose: To assess the optical quality and the visual performance of patients implanted with an extended depth-of-focus (EDOF) intraocular lens (IOL).

Methods: Thirty-eight eyes underwent implantation of the Mini WELL Ready EDOF IOL and were evaluated at 3-months postsurgery. Higher-order aberrations (HOAs) and modular transfer function (MTF) were measured at 3- and 5-mm pupils.

Ocular biometry with swept-source optical coherence tomography.

This study aimed to summarize the outcomes reported when swept-source optical coherence tomography (SS-OCT) is used for ocular biometry. A literature search was performed to identify publications reporting clinical outcomes of patients measured with commercial SS-OCT. Twenty-nine studies were included in this review.

Agreement between 2 swept-source OCT biometers and a Scheimpflug partial coherence interferometer.

Purpose: To evaluate the agreement between different parameters obtained with 2 swept-source optical coherence tomography (SS-OCT)-based biometers and 1 Scheimpflug camera with partial coherence interferometry (PCI).

Setting: Single center, Oftalvist, Alicante, Spain.

Design: Prospective case series.

Trifocal toric intraocular lenses in eyes with low amount of corneal astigmatism.

Aim: To evaluate the refractive and visual outcomes following cataract surgery and implantation of a trifocal toric intraocular lens (IOL) in eyes with low degrees of corneal astigmatism.

Methods: Twenty-six eyes of 22 patients who underwent implantation a trifocal toric IOL (FineVision PODFT, PhysIOL s.a.

Performance of a new device for the clinical determination of light discomfort.

Purpose: To assess the performance of a new device for the clinical determination of light discomfort on a large sample of healthy human subjects.

Methods: A total of 489 subjects ranging from 20 to 70 years old (241 men, 248 women) were evaluated with the LUMIZ™ 100 to determine light discomfort. Repeatability was assessed by means of within-subject standard deviation, coefficient of variation (CoV), and intraclass correlation coefficient (ICC).

Agreement of white-to-white measurements with swept-source OCT, Scheimpflug and color LED devices.

Purpose: To assess the interchangeability of different devices for measuring white-to-white (WTW) distance.

Methods: WTW distance was measured in 53 eyes of 53 patients using Anterion swept-source optical coherence topographer (SS-OCT), IOLMaster 700 SS-OCT, Pentacam HR Scheimpflug and Cassini color LED. Statistical analysis was done by means of the Friedman test and the post hoc Tukey test.

Assessment of anterior segment measurements using a high-resolution imaging device.

Purpose: To assess the repeatability of several anterior segment parameters obtained with swept-source optical coherence tomography (SS-OCT).

Methods: We measured 5-times consequently several parameters in 69 eyes using the ANTERION SS-OCT. White-to-white (WTW), angle-to-angle (ATA), spur-to-spur (STS), and lens vault distances were measured in the horizontal- and vertical-meridian.