Results 1 to 10 of about 13,158 (161)

Effect of 3% diquafosol sodium eye drops on the prediction of intraocular lens power in predisposition to dry eye patients scheduled for cataract surgery: a prospective, observational study [PDF]

Frontiers in Medicine
PurposeTo investigate the effect of 3% diquafosol sodium eye drops (DQS) on intraocular lens (IOL) power calculated by multiple common formulas before surgery in patients with predisposition to dry eye (p-DE) scheduled for cataract surgery.MethodsThis ...
Na Su, Lexin Ge, Nianfeng Tang, Junjie Shan, Wen Fan, Songtao Yuan   +5 more
doaj   +2 more sources

Comparing prediction accuracy between total keratometry and conventional keratometry in cataract surgery with refractive multifocal intraocular lens implantation

Scientific Reports, 2021
We aimed to compare refractive outcomes between total keratometry using a swept-source optical biometer and conventional keratometry in cataract surgery with refractive multifocal intraocular lens (IOL) implantation.
Ho Seok Chung, Jae Lim Chung, Young Jun Kim, Hun Lee, Jae Yong Kim, Hungwon Tchah   +5 more
doaj   +1 more source

Comparative Analysis of Corneal Parameters Performed with GalileiG6 and OCT Casia 2

Diagnostics, 2023
Backgrounds: To compare keratometry (Ks and Kf), astigmatism (Ast.), and the astigmatism axes (Ax.) of the posterior surface of the cornea; the total, central cornea thickness (CCT); and the thinnest corneal thickness (TCT) measured using two different ...
Robert Mazur, Adam Wylęgała, Edward Wylęgała, Dariusz Dobrowolski   +3 more
doaj   +1 more source

Factors influencing haze formation and corneal flattening, and the impact of haze on visual acuity after conventional collagen cross-linking: a 12-month retrospective study

BMC Ophthalmology, 2021
Background Our aim was to determine associations of pachymetry, keratometry, and their changes with haze formation and corneal flattening after collagen cross-linking, and to analyse the relationship between postoperative haze and visual outcome. Methods
Anita Csorba, Kinga Kránitz, Péter Dormán, Andrea Popper-Sachetti, Huba Kiss, Irén Szalai, Zoltán Zsolt Nagy   +6 more
doaj   +1 more source

Selection of keratometric data for the IOL toricity calculation

Офтальмохирургия, 2023
Purpose. To elaborate the customized principle of determining the actual zone of the corneal astigmatism based on keratotopographic data and compare the accuracy of calculating the toric IOL according to the actual zone and conventional keratometry ...
S.V. Shukhaev
doaj   +1 more source

A four-surface schematic eye of macaque monkey obtained by an optical method [PDF]

, 1995
Schematic eyes for four Macaca fascicularis monkeys were constructed from measurements of the positions and curvatures of the anterior and posterior surfaces of the cornea and lens.
a Alitalo, BC Zhang, C Bolenz, C Huang, CE Nwogu, CM Card, DR Youlden, E Carrillo de Santa Pau, E Ogawa, E Steels, Erna-Elise Paulsen, F Chen, F Guerrera, F Renyi-Vamos, FC Detterbeck, G Chen, H Kojima, H Takizawa, I Takanami, J Galon, J Galon, J Sun, J Wang, J Wang, J Wang, J-L Su, JL Su, JPT Higgins, K Kadota, K Kadota, KH Min, L Faoro, LA Stewart, LH Sobin, Lill-Tove Busund, M Arinaga, M Egger, M Egger, M Li, M Tamura, M Tamura, M Tamura, M Yu, MG Achen, MK Chung, MK Parmar, NM Mollberg, P Saintigny, P Zhan, Q Li, R Liersch, R Siegel, R-C Ji, RH Adams, RK Jain, Roy M. Bremnes, S Daly, S Duval, S Enatsu, S Hirakawa, S Iwakiri, S Jin, S Maekawa, S Zuo, SC Chen, Sigurd M. Hald, SJ Antonia, T Donnem, T Donnem, T Donnem, T Kajita, T Nakashima, T Niki, T Niki, T Palmer, T Saijo, T Yamashita, T-E Strand, Thomas K. Kilvaer, Tom Donnem, Tom Wilsgaard, VK Anagnostou, W Viechtbauer, X Guo, Xin-Yuan Guan, Y Adachi, Y Chen, Y Feng, Y He, Y Ohta, Y Yoshida, YH Ko   +91 more
core   +8 more sources

Estimation of surgically induced astigmatism after small-incision cataract surgery done by junior residents

Indian Journal of Ophthalmology, 2023
Purpose: To estimate the postoperative astigmatism after small-incision cataract surgery (SICS) done by junior residents at the end of 1 and 3 months. Methods: This observational longitudinal study was conducted at the Department of Ophthalmology of a ...
Uttkarsha D Thakre, Archana S Nikose, Aseera Momin   +2 more
doaj   +1 more source

Accuracy of biometry using automated and manual keratometry for intraocular lens power calculation

Taiwan Journal of Ophthalmology, 2018
INTRODUCTION: A comparison of precision of intraocular implant power calculation by computing keratometry values by two different methods, namely, the automated and manual keratometry (MK), was done.
Lubna Khan, Babita Sharma, Harshal Gupta, Rimpi Rana   +3 more
doaj   +1 more source

Error induced by the estimation of the corneal power and the effective lens position with a rotationally asymmetric refractive multifocal intraocular lens [PDF]

International Journal of Ophthalmology, 2015
AIM:To evaluate the prediction error in intraocular lens (IOL) power calculation for a rotationally asymmetric refractive multifocal IOL and the impact on this error of the optimization of the keratometric estimation of the corneal power and the ...
David P. Piñero, Vicente J. Camps, María L. Ramón, Verónica Mateo, Rafael J. Pérez-Cambrodí   +4 more
doaj   +1 more source

The variability of corneal and anterior segment parameters in keratoconus [PDF]

, 2016
Purpose: To analyse, describe and test diverse corneal and anterior segment parameters in normal and keratoconic eyes to better understand the geometry of the keratoconic cornea. Method: 44 eyes from 44 keratoconic patients and 44 eyes from 44 healthy
Cardona Torradeflot, Genís, Gispets Parcerisas, Joan, Lupón Bas, Núria, Mas Aixalà, Enric   +3 more
core   +1 more source