Results 31 to 40 of about 1,539,792 (199)

iTrace – A Ray Tracing Aberrometer

Delhi Journal of Ophthalmology, 2019
Modern ophthalmology focusses on visual quality and not just visual acuity. The quality of vision is affected by both lower and higher order aberrations.
Ayushi Sinha, Siddhi Goel, Vinay Gupta, Devesh Kumawat, Pranita Sahay   +4 more
doaj   +1 more source

Astigmatic changes after Descemet membrane endothelial keratoplasty (DMEK) in decompensated penetrating keratoplasty grafts

Acta Ophthalmologica, Volume 104, Issue 5, Page e516-e529, August 2026.
Abstract Purpose To evaluate the surgery‐induced changes of astigmatism after Descemet membrane endothelial keratoplasty (DMEK) in eyes with failed previous penetrating keratoplasty (PK). Design Retrospective, interventional cohort study based on prospective DMEK database.
Florian Thomas Steinberg, Jithmi Weliwitage, Marie von Berg, Silvia Schrittenlocher, Simona Schlereth, Claus Cursiefen, Björn Bachmann   +6 more
wiley   +1 more source

Risk factors for refractive error after cataract surgery : analysis of 282 811 cataract extractions reported to the European Registry of Quality Outcomes for cataract and refractive surgery [PDF]

, 2018
Purpose: To analyze risk factors for refractive error after cataract surgery and provide a benchmark for refractive outcomes after standard cataract surgery. setting: One hundred cataract surgery clinics from 12 European countries.
Manning, Sonia, Rosen, Paul, Lundström, Mats, Dickman, Mor, Stenevi, Ulf, Henry, Ype, Young, David, Tassignon, Marie José   +7 more
core   +2 more sources

Representation, medical examination, and the effectiveness of underwriting: Evidence from a life and health insurance company

Risk Management and Insurance Review, Volume 29, Issue 2, Page 111-168, Summer 2026.
Abstract This study examines whether underwriting methods—representation, medical examination, extra premiums, and coverage—effectively mitigate adverse selection using data from an insurance company. Regarding representation, we focus on statements disclosing pre‐existing medical conditions.
Chia‐Ling Ho, Gene Lai, Chen‐Hsu Liao, Zifen Zeng   +3 more
wiley   +1 more source

Minimizing Surgically Induced Astigmatism at the Time of Cataract Surgery Using a Square Posterior Limbal Incision

Journal of Ophthalmology, 2011
Purpose. To compare the surgically induced astigmatism from clear corneal and square posterior limbal incisions at the time of cataract surgery. Methods.
Paul Ernest, Warren Hill, Richard Potvin
doaj   +1 more source

The Impact of Vision Problems on Households' Incomes: Evidence From the 2019 and 2022 Rounds of the Turkey Health Survey

Journal of International Development, Volume 38, Issue 3, Page 505-522, April 2026.
ABSTRACT Vision problems reduce individuals' quality of life, and they also reduce their productivity as workers and consequently decrease their incomes. Most vision problems can be corrected with properly fitted eyeglasses, but many people with vision problems do not have such eyeglasses.
Paul Glewwe, Hasan Gul, Aysit Tansel, Suzanne Wisniewski   +3 more
wiley   +1 more source

Why do people not attend for treatment for trachomatous trichiasis in Ethiopia? A study of barriers to surgery. [PDF]

, 2012
BACKGROUND: Trachomatous trichiasis (TT) surgery is provided free or subsidised in most trachoma endemic settings. However, only 18-66% of TT patients attend for surgery.
Saul N. Rajak, Weiss, Helen A, Helen A Weiss, Teshome Gebre (43383), Paul M. Emerson (43378), Helen A. Weiss (139118), Zerihun, Mulat, Bedri, Amir, Matthew J. Burton (139122), Clare E. Gilbert, Rajak, Saul N, Habtamu, Esmael, Teshome Gebre, Mulat Zerihun, Amir Bedri (139120), Mulat Zerihun (43387), Burton, Matthew J, Esmael Habtamu, Helen A. Weiss, Gebre, Teshome, Clare E. Gilbert (138637), Gilbert, Clare E, Emerson, Paul M, Paul M Emerson, Matthew J. Burton, Saul N. Rajak (139114), Paul M. Emerson, Esmael Habtamu (139116), Clare E Gilbert, Matthew J Burton, Amir Bedri, Saul N Rajak   +31 more
core   +1 more source

Systematic bibliometric analysis of research hotspots and trends on the application of premium IOLs in the past 2 decades [PDF]

International Journal of Ophthalmology
AIM: To analysis of research hotspots and trends on the application of premium intraocular lens (PIOLs) in the past 2 decades. METHODS: The literature search was performed on the Web of Science and included PIOLs studies published between January 2000 ...
Liang-Pin Li, Li-Yun Yuan, De-Shen Mao, Xia Hua, Xiao-Yong Yuan   +4 more
doaj   +1 more source

Double-step calculation of the intraocular lens power in lens opacities excluding the measurement of axial eye length by optical biometry. A clinical case

Российский офтальмологический журнал, 2023
The main source of intraocular lens (IOL) power calculation errors in phacoemulsification (PE) is axial length (AL) measurement inaccuracy in cases if optical biometry cannot be used.bto describe an original double-step method of IOL power calculation in
A. N. Kulikov, E. V. Danilenko, N. V. Nevin, E. Yu. Kozhevnikov   +3 more
doaj   +1 more source

Welfare assessment of turkeys (Meleagris gallopavo gallopavo) on farm

EFSA Journal, Volume 24, Issue 2, February 2026.
Abstract This Scientific Opinion assesses the welfare of turkeys of all ages (Meleagris gallopavo gallopavo) on farm in relation to the type and condition of the litter, type and availability of enrichment (including covered veranda and outdoor range), space allowance, concentrations of ammonia and carbon dioxide, effective environmental temperature ...
EFSA Panel Animal Health and Animal Welfare (AHAW), Søren Saxmose Nielsen, Julio Alvarez, Anette Boklund, Sabine Dippel, Fernanda Dorea, Jordi Figuerola, Mette S. Herskin, Virginie Michel, Miguel Angel Miranda Chueca, Eleonora Nannoni, Romolo Nonno, Karl Stahl, Jan Arend Stegeman, Hans‐Hermann Thulke, Frank Tuyttens, Christoph Winckler, Jutta Berk, Joanna Marchewka, Nienke van Staaveren, Oana Maria Balmos, Chiara Fabris, Olaf Mosbach‐Schulz, Yves Van der Stede, Marika Vitali, Cristina Rojo Gimeno, Antonio Velarde, Anja Brinch Riber   +27 more
wiley   +1 more source