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Journal articles on the topic 'Lenstar'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 January 2023

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1

Yağmur Kanra, Ayşe, and Haşim Uslu. "Evaluation of ocular biometric parameters in keratoconic eyes relative to healthy myopic eyes." European Journal of Ophthalmology 32, no. 2 (2021): 798–805. http://dx.doi.org/10.1177/11206721211064481.

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Objective To assess the biometric features of keratoconic eyes using the Lenstar LS900 and Pentacam systems relative to healthy myopic eyes. Materials and Methods Seventy-three eyes of keratoconic subjects and 83 eyes of control subjects were enrolled. To evaluate the reproducibility of the Lenstar and Pentacam devices’ measurements, keratometric readings [in flattest meridian (Kf), in steepest meridian (Ks), and mean (Km)], central corneal thickness (CCT), and anterior chamber depth (ACD) were obtained using both systems. Axial length and lens thickness (LT) were measured by the Lenstar. The

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2

Harvey, Bill. "A new Lenstar is born." Optician 2021, no. 4 (2021): 236735–1. http://dx.doi.org/10.12968/opti.2021.4.236735.

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3

Mohd Abdullah, Azlindarita, Norasyikin Mustafa, Loo Voon Pei, and Visvaraja Subrayan. "Agreement Analysis of Pentacam and Lenstar in Measurement of Keratometry, Anterior Chamber Depth and Lens Thickness." Journal of Clinical and Health Sciences 1, no. 1 (2016): 10. http://dx.doi.org/10.24191/jchs.v1i1.5848.

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Introduction: To assess the agreement of the Scheimpflug camera system Pentacam with the optical low-coherence reflectometry (OLCR) device LENSTAR LS900 in measuring anterior segment biometry. Methods: This is a prospective, non- randomized, comparative analysis study. Patients with age-related nucleus sclerosis cataract who fulfilled the inclusion criteria and attended the Ophthalmology Clinic in University of Malaya Medical Centre (UMMC) between December 2011 and March 2012 were recruited. The keratometer, anterior chamber (AC) depth and lens thickness were measured with both methods Pentaca

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4

Kulikov, Alexey N., Ekaterina V. Kokareva, and Alexander R. Kuznetsov. "Optical biometry features in silicon oil filled eyes." Ophthalmology journal 11, no. 3 (2018): 15–20. http://dx.doi.org/10.17816/ov11315-20.

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Background. The article presents results of axial length (AL) measurement in eyes filled with silicone oil and in those without silicone oil with IOLMaster and Lenstar LS 900 optical biometry methods. Materials and methods. The anteroposterior axis was measured in 27 eyes of 27 patients with silicone oil tamponade after surgical treatment of several vitreoretinal conditions. Using IOLMaster, the AL of eyes without silicone oil tamponade varied from 21.99 mm to 29.38 mm, Lenstar LS 900 biometry gave results from 21.96 mm to 29.41 mm. Results. According to data obtained and to their

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5

Çınar, Yasin, Abdullah Kürşat Cingü, Muhammed Şahin, et al. "Comparison of Optical versus Ultrasonic Biometry in Keratoconic Eyes." Journal of Ophthalmology 2013 (2013): 1–6. http://dx.doi.org/10.1155/2013/481238.

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Purpose. To compare the measurements of optical versus ultrasonic biometry devices in keratoconic eyes.Materials and Methods. Forty-two eyes of 42 keratoconus (KC) patients enrolled in the study were examined. Clinical and demographic characteristics of the patients were noted, and detailed ophthalmological examination was performed. Following Pentacam measurements, central corneal thickness (CCT), anterior chamber depth (ACD), lens thickness (LT), and axial length (AL) were obtained using the Lenstar and US biometer to determine the reproducibility of the measurements between the two devices

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6

Bayhan, Hasan Ali, Seray Aslan Bayhan, Mehmet Adam, Ersin Muhafız, Şükran Bekdemir, and Canan Gürdal. "Lenstar Optik Biyometrinin Farklı Katarakt Tiplerinde Performansının Değerlendirilmesi." Bozok Tıp Dergisi 4, no. 2 (2014): 37. http://dx.doi.org/10.16919/btd.73257.

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7

Pereira, Joana Maria Mendes, Arminda Neves, Pedro Alfaiate, Mónica Santos, Henrique Aragão, and João C. Sousa. "Lenstar® LS 900 vs Pentacam®-AXL: Comparative study of ocular biometric measurements and intraocular lens power calculation." European Journal of Ophthalmology 28, no. 6 (2018): 645–51. http://dx.doi.org/10.1177/1120672118771844.

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Purpose: Comparison of biometric measurements and calculation of intraocular lens with a new biometer (Pentacam®-AXL, Oculus, Germany) and a reference biometer (Lenstar LS 900®, Haag-Streit AG, Switzerland), in order to assess the agreement between these two devices. Setting: Centro Hospitalar de Leiria, Portugal Materials and methods: Prospective, institutional study, in which measurements of axial length, anterior chamber depth from the corneal epithelium and endothelium to the anterior surface of the lens (anterior chamber depth ext and anterior chamber depth int), central corneal thickness

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8

Cruysberg, L. P. J., M. Doors, F. Verbakel, T. T. J. M. Berendschot, J. De Brabander, and R. M. M. A. Nuijts. "Evaluation of the Lenstar LS 900 non-contact biometer." British Journal of Ophthalmology 94, no. 1 (2009): 106–10. http://dx.doi.org/10.1136/bjo.2009.161729.

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9

Jasvinder, S., T. F. Khang, K. K. S. Sarinder, V. P. Loo, and V. Subrayan. "Agreement analysis of LENSTAR with other techniques of biometry." Eye 25, no. 6 (2011): 717–24. http://dx.doi.org/10.1038/eye.2011.28.

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10

McAlinden, Colm, Rongrong Gao, Ayong Yu, et al. "Repeatability and agreement of ocular biometry measurements: Aladdin versus Lenstar." British Journal of Ophthalmology 101, no. 9 (2017): 1223–29. http://dx.doi.org/10.1136/bjophthalmol-2016-309365.

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11

Gursoy, Huseyin, Afsun Sahin, Hikmet Basmak, Ahmet Ozer, Nilgun Yldrm, and Ertugrul Colak. "Lenstar Versus Ultrasound for Ocular Biometry in a Pediatric Population." Optometry and Vision Science 88, no. 8 (2011): 912–19. http://dx.doi.org/10.1097/opx.0b013e31821cc4d6.

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12

Carkeet, Andrew. "Lenstar vs. Ultrasound for Ocular Biometry in a Pediatric Population." Optometry and Vision Science 89, no. 10 (2012): e30. http://dx.doi.org/10.1097/opx.0b013e3182693d05.

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13

Morina, N. A., A. M. Maiorova, and S. G. Agafonov. "Comprasion of ocular biometry measurements by IOLMaster 700 and LENSTAR LS 900." Modern technologies in ophtalmology, no. 4 (June 25, 2019): 181–84. http://dx.doi.org/10.25276/2312-4911-2019-4-181-184.

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14

Lee, Mun Wai. "Comparing the Lenstar Optical Biometer and the Verion Image-Guided System for intraocular lens power calculation." Malaysian Journal of Ophthalmology 1, no. 4 (2020): 236–43. http://dx.doi.org/10.35119/myjo.v1i4.37.

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Introduction: This study aims to evaluate the accuracy of the measurement parameters of the new Verion Image Guided System compared with an established standard of care. Purpose: To compare the keratometry (K) and white-to-white (WTW) measurements obtained from the Lenstar Optical Biometer (LS) with those from the Verion Image-Guided System (VR) and their effect on intraocular lens (IOL) power calculation. Design: Prospective comparative case series. Materials and methods: Sixty patients going for cataract surgery had biometry measurements and IOL calculation with the LS. Axi

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15

Kulikov, A. N., E. V. Danilenko, and E. Yu Kozhevnikov. "Comparison of keratometry versions in patients with corneal astigmatism." Russian Ophthalmological Journal 15, no. 2 (Прил) (2022): 84–92. http://dx.doi.org/10.21516/2072-0076-2022-15-2-supplement-84-92.

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Purpose: to compare the corneal power at main meridians, the magnitude and the axis of corneal astigmatism and the reproducibility of measurements taken three times with different types of biometers.Material and methods. 22 subjects (24 eyes) with regular corneal astigmatism 1.89–8.02 D were given three biometry tests using IOL Master 500, Lenstar LS 900, IOL Master 700, Pentacam and Galilei G6.Results. The data were divided into groups depending on the principle of mathematical modeling of the corneal surface: group I involved the material processed by IOL Master 500, Lenstar LS 900, IOL Mast

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16

Kulikov, A. N., E. V. Danilenko, and A. R. Kuznetsov. "Eye Biometry Shift after Scleral Buckling Procedure." Ophthalmology in Russia 19, no. 3 (2022): 493–99. http://dx.doi.org/10.18008/1816-5095-2022-3-493-499.

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Background. There are a great number publications presenting results of various types of optical and ultrasound biometry before and after scleral buckling (SB).Patients and methods. Biometry was performed for 22 eyes of 22 patients before and after surgical treatment of rhegmatogenous retinal detachment. We used 4 types of optical (IOLMaster 500, IOLMaster 700, Lenstar LS 900 and REVO SOCT Copernicus) and 2 types of ultrasound biometry (A- and B-scan).Results. According to the all biometry data, there was an increase in the axial lens (AL) (the maximum value of eye elongation according to IOLM

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17

El Hofi, AbdelH. "Comparison between LENSTAR and VERION in toric intraocular lens power calculation." Egyptian Journal of Cataract and Refractive Surgery 24, no. 2 (2018): 47. http://dx.doi.org/10.4103/jcrs.jcrs_5_19.

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18

Lee, Tae Hee, Mi Sun Sung, Lian Cui, Ying Li, and Kyung Chul Yoon. "Factors Affecting the Accuracy of Intraocular Lens Power Calculation with Lenstar." Chonnam Medical Journal 51, no. 2 (2015): 91. http://dx.doi.org/10.4068/cmj.2015.51.2.91.

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19

Huang, Jinhai, Colm McAlinden, Binbin Su, et al. "The Effect of Cycloplegia on the Lenstar and the IOLMaster Biometry." Optometry and Vision Science 89, no. 12 (2012): 1691–96. http://dx.doi.org/10.1097/opx.0b013e3182772f4f.

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20

Hosseini, Simin, Amir Faramarzi, Siamak Moradian, and Mehdi Yaseri. "Biometric changes after vitrectomy with silicone oil tamponade." Medical Hypothesis, Discovery & Innovation in Optometry 2, no. 2 (2021): 56–62. http://dx.doi.org/10.51329/mehdioptometry126.

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Background: The Lenstar LS 900 (Haag-Streit AG, Koeniz, Switzerland) is an optical biometer, and its measurements are highly repeatable and precise in cataractous eyes. This study investigated changes in biometric parameters, including axial length (AL), anterior chamber depth (ACD), lens thickness (LT), vitreous cavity depth (VD), and central corneal thickness (CCT) before and after three-port 23-Gauge pars plana vitrectomy with silicone oil tamponade. Methods: This was a prospective follow-up study. Patients who were scheduled for surgery underwent a detailed slit-lamp examination and

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21

Köktekir, Bengü Ekinci, Şansal Gedik, Berker Bakbak, Şaban Gönül, and Ömer Kamil Doğan. "Yeni Cihazlar Otomatize Keratometre Yerine Kullanılabilir mi? Lenstar ve OPD ile Karşılaştırılması." Türk Oftalmoloji Dergisi 43, no. 2 (2013): 73–76. http://dx.doi.org/10.4274/tjo.43.72691.

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22

Bakbak, Berker, Bengu E. Koktekir, Sansal Gedik, and Huseyin Guzel. "The Effect of Pupil Dilation on Biometric Parameters of the Lenstar 900." Cornea 32, no. 4 (2013): e21-e24. http://dx.doi.org/10.1097/ico.0b013e31825fee82.

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23

Schulle, Krystal L., and David A. Berntsen. "Repeatability of On- and Off-Axis Eye Length Measurements Using the Lenstar." Optometry and Vision Science 90, no. 1 (2013): 16–22. http://dx.doi.org/10.1097/opx.0b013e3182780bfd.

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24

Stattin, M., C. Zehetner, N. E. Bechrakis, and L. Speicher. "Vergleich IOL-Master 500 vs. Lenstar LS900 hinsichtlich der Berechnung der Zielrefraktion." Der Ophthalmologe 112, no. 5 (2014): 444–50. http://dx.doi.org/10.1007/s00347-014-3143-8.

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25

Ortiz, Alvaro, Virgilio Galvis, Alejandro Tello, et al. "Comparison of three optical biometers: IOLMaster 500, Lenstar LS 900 and Aladdin." International Ophthalmology 39, no. 8 (2018): 1809–18. http://dx.doi.org/10.1007/s10792-018-1006-z.

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26

Kanclerz, Piotr, Katarzyna Przewłócka, and Xiaogang Wang. "Inter-device measurement variability of vital data parameters for keratorefractive and cataract refractive surgery." Therapeutic Advances in Ophthalmology 13 (January 2021): 251584142110457. http://dx.doi.org/10.1177/25158414211045750.

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Introduction: The measurements of corneal white-to-white (WTW) diameter and pupil size are critical for decision making in refractive surgery. Currently, automatic measurement of keratometry, corneal WTW, and pupil size are implemented in several ocular devices. The purpose of this study was to examine the agreement between two commonly used devices, an autorefractor and an optical biometer, for these parameters. Methods: Measurements were performed with both a Lenstar LS-900 and Nidek ARK-1 by an experienced examiner in random order. The devices were placed in close proximity within the same

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27

El Chehab, Hussam, Emilie Agard, and Corinne Dot. "Comparison of two biometers: A swept-source optical coherence tomography and an optical low-coherence reflectometry biometer." European Journal of Ophthalmology 29, no. 5 (2018): 547–54. http://dx.doi.org/10.1177/1120672118802918.

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Purpose: The technological improvements in optical biometers have made cataract surgery evolve to the level of refractive surgery. This study assessed the correlation and agreement between a biometer using swept-source optical coherence tomography technology (IOLMaster 700; Carl Zeiss Meditec, Jena, Germany) and a biometer using optical low-coherence reflectometry (Lenstar; Haag Streit, Koeniz, Switzerland). Procedures: Optical biometric measurements were taken with the IOLMaster 700 and the Lenstar on 129 eyes of 129 patients referred for cataract surgery. We compared biometric data (axial le

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28

Suheimat, Marwan, Pavan K. Verkicharla, Edward A. H. Mallen, Jos J. Rozema, and David A. Atchison. "Refractive indices used by the Haag-Streit Lenstar to calculate axial biometric dimensions." Ophthalmic and Physiological Optics 35, no. 1 (2014): 90–96. http://dx.doi.org/10.1111/opo.12182.

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29

Taechameekietichai, Teerajet, Anwell Nguyen, Sunee Chansangpetch, and Shan C. Lin. "Displacement between anterior chamber width obtained by swept-source anterior segment optical coherence tomography and white-to-white distance." PLOS ONE 16, no. 5 (2021): e0251990. http://dx.doi.org/10.1371/journal.pone.0251990.

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Purpose To determine the relationship between the external limbal location, represented by white-to-white (WTW) distance, and the actual angle location, represented by spur-to-spur (STS) and angle-to-angle (ATA) distances. Methods 166 eyes from 166 participants were imaged using CASIA2 anterior chamber optical coherence tomography (AS-OCT) and LenStar LS 900 optical biometer. The horizontal ATA and STS were measured using the swept-source Fourier-domain AS-OCT (CASIA2). The horizontal WTW was automatically measured using LenStar. The displacement lengths (DL) between WTW-STS and WTW-ATA were c

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30

Kiseleva, T. N., O. G. Oganesyan, L. I. Romanova, S. V. Milash, and A. V. Penkina. "OPTICAL BIOMETRY OF THE EYE: THE PRINCIPLE AND THE DIAGNOSTIC POTENTIAL OF THE METHOD." Russian Pediatric Ophthalmology 12, no. 1 (2017): 35–42. http://dx.doi.org/10.18821/1993-1859-2017-12-1-35-42.

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Optical biometry is based on the laser interferometry technique for the measurement of the biometric characteristics of the eyes, such as the antero-posterior axial length, anterior chamber depth, lens and retina thickness, corneal diameter and parameters of keratometry. The present article was designed to overview the basic principles of this method, its advantages and disadvantages, indications and contraindications for its application. The comparative analysis of the characteristics of the following optical biometric devices was undertaken: IOL-Master 500, Lenstar LS 900, Aladdin, OA-1000,

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31

Ramesh, PrasannaV, ShruthyV Ramesh, MeenaK Ramesh, and Ramesh Rajasekaran. "Periodic troubleshooting of LENSTAR® encoder disc's motor for preventing surprise dust induced crashes." Indian Journal of Ophthalmology 69, no. 2 (2021): 468. http://dx.doi.org/10.4103/ijo.ijo_2791_20.

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32

Wang, Qiong, Xiaowen Ji, Daqian Lu, et al. "Comparison of A-Scan ultrasonography and the Lenstar optical biometer in Guinea pig eyes." Experimental Eye Research 207 (June 2021): 108578. http://dx.doi.org/10.1016/j.exer.2021.108578.

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33

O’Donnell, Clare, Andreas Hartwig, and Hema Radhakrishnan. "Correlations between refractive error and biometric parameters in human eyes using the LenStar 900." Contact Lens and Anterior Eye 34, no. 1 (2011): 26–31. http://dx.doi.org/10.1016/j.clae.2010.10.006.

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34

Jung, Yun, and Kyun Hyung Kim. "Comparison of White-to-White Diameters Measured by IOLMaster, Lenstar, Orbscan, and a Manual Method." Journal of the Korean Ophthalmological Society 54, no. 8 (2013): 1187. http://dx.doi.org/10.3341/jkos.2013.54.8.1187.

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35

Tomer, Nitin, Ravindra Kumar Manik, Kapil Dev, and Anmol Bansal. "Comparative study for central corneal thickness with ORB-SCAN, lenstar and USG for corneal treatment." International Journal of Ophthalmology and Optometry 4, no. 1 (2022): 7–10. http://dx.doi.org/10.33545/26648547.2022.v4.i1a.11.

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36

Naicker, Palanyraj, Siva Sundralingam, Mohammadreza Peyman, et al. "Refractive outcomes comparison between the Lenstar LS 900® optical biometry and immersion A-scan ultrasound." International Ophthalmology 35, no. 4 (2014): 459–66. http://dx.doi.org/10.1007/s10792-014-9970-4.

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37

McAlinden, Colm, Qinmei Wang, Konrad Pesudovs, et al. "Axial Length Measurement Failure Rates with the IOLMaster and Lenstar LS 900 in Eyes with Cataract." PLOS ONE 10, no. 6 (2015): e0128929. http://dx.doi.org/10.1371/journal.pone.0128929.

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38

TAŞCI, Yelda, Özge SARAÇ, Gülçin ERGELDİ, Demet ÖZDAŞ, and Nurullah ÇAĞIL. "Comparison of the Anterior Segment Parameters and the Pupil Offset Measured with the Lenstar Biometrics and the Sirius Topography in Healthy Individuals." Turkiye Klinikleri Journal of Ophthalmology 28, no. 1 (2019): 29–36. http://dx.doi.org/10.5336/ophthal.2018-60707.

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39

Song, Jae Shin, Do Yeh Yoon, Joon Young Hyon, and Hyun Sun Jeon. "Comparison of Ocular Biometry and Refractive Outcomes Using IOL Master 500, IOL Master 700, and Lenstar LS900." Korean Journal of Ophthalmology 34, no. 2 (2020): 126. http://dx.doi.org/10.3341/kjo.2019.0102.

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40

Eslami, Fatemeh, Mehdi Alizadeh, and Fatemeh Kosari. "Comparison of Ultrasound and Lenstar Biometry Methods in Determining Axial Length and Refractive Error after Cataract Surgery." Avicenna Journal of Clinical Medicine 25, no. 3 (2018): 165–69. http://dx.doi.org/10.21859/ajcm.25.3.165.

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41

Shin, Joong Won, Mincheol Seong, Min Ho Kang, Hee Yoon Cho, and Yoon Jung Lee. "Comparison of Ocular Biometry and Postoperative Refraction in Cataract Patients Between Lenstar® and IOL Master®." Journal of the Korean Ophthalmological Society 53, no. 6 (2012): 833. http://dx.doi.org/10.3341/jkos.2012.53.6.833.

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42

Loudot, C., E. Zanin, C. Fogliarini, M. Boulze, L. Souchon, and D. Denis. "Étude de la biométrie oculaire chez l’enfant hypermétrope : apport du biomètre Lenstar LS 900 (Haag-Streit®)." Journal Français d'Ophtalmologie 34, no. 6 (2011): 369–75. http://dx.doi.org/10.1016/j.jfo.2010.12.008.

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43

Sallam, Sara, Moataz Sallam, Mohamed Shahin, and Tarek Radwan. "Intra-ocular Lens Master V4 versus LenStar LS900 in Intra-ocular Lens Power Calculation and Postoperative Refraction Prediction." Suez Canal University Medical Journal 24, no. 1 (2021): 12–19. http://dx.doi.org/10.21608/scumj.2021.158602.

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44

Fajgenbaum, Mark A. P., Julian Robins, and Tom H. Williamson. "Refractive Outcomes Using the Lenstar Optical Low Coherence Reflectometry Biometer in Phacovitrectomy for Epiretrinal Membranes and Macular Holes." Open Journal of Ophthalmology 07, no. 03 (2017): 216–24. http://dx.doi.org/10.4236/ojoph.2017.73029.

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45

Zhao, Jing, Zhi Chen, Zimei Zhou, Lan Ding, and Xingtao Zhou. "Evaluation of the repeatability of the Lenstar and comparison with two other non-contact biometric devices in myopes." Clinical and Experimental Optometry 96, no. 1 (2012): 92–99. http://dx.doi.org/10.1111/j.1444-0938.2012.00793.x.

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46

OʼDonnell, Clare, Andreas Hartwig, and Hema Radhakrishnan. "Comparison of Central Corneal Thickness and Anterior Chamber Depth Measured Using LenStar LS900, Pentacam, and Visante AS-OCT." Cornea 31, no. 9 (2012): 983–88. http://dx.doi.org/10.1097/ico.0b013e31823f8e2f.

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47

Hashemi, Hassan, Soheila Asgari, Mohammad Miraftab, Mohammad Hassan Emamian, Mohammad Shariati, and Akbar Fotouhi. "Agreement study of keratometric values measured by Biograph/LENSTAR, auto-kerato-refractometer and Pentacam: Decision for IOL calculation." Clinical and Experimental Optometry 97, no. 5 (2014): 450–55. http://dx.doi.org/10.1111/cxo.12186.

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48

Beyazyıldız, Emrullah, Özlem Beyazyıldız, Süleyman Günaydın, et al. "Evaluation of Optical Low Coherence Reflectometry Parameters in Patients with Exfoliation Syndrome." Journal of Ophthalmology 2015 (2015): 1–4. http://dx.doi.org/10.1155/2015/658091.

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Purpose. To evaluate optical low coherence reflectometry (OLCR) parameters in patients with exfoliation syndrome (EXS) undergoing cataract surgery.Methods. Forty-seven eyes of 47 patients with EXS (Group 1), and 55 eyes of 55 healthy subjects (Group 2) were included in the study. Anterior chamber depth (ACD), lens thickness (LT), axial length (AL), central corneal thickness (CCT), horizontal corneal length (HCL), and pupil diameter (PD) parameters were measured by OLCR (Lenstar LS 900, Haag-Streit) and compared between groups. Shapiro-Wilk test and Mann WhitneyUtests were used for statistical

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49

Rauscher, Franziska G., Andreas Hiemisch, Wieland Kiess, and Ralph Michael. "Feasibility and repeatability of ocular biometry measured with Lenstar LS 900 in a large group of children and adolescents." Ophthalmic and Physiological Optics 41, no. 3 (2021): 512–22. http://dx.doi.org/10.1111/opo.12807.

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50

Uçakhan, ÖmürÖ, Veysel Akbel, Zeynep Biyikli, and Ayfer Kanpolat. "Comparison of corneal curvature and anterior chamber depth measurements using the manual keratometer, lenstar LS 900 and the pentacam." Middle East African Journal of Ophthalmology 20, no. 3 (2013): 201. http://dx.doi.org/10.4103/0974-9233.114791.

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