Results 51 to 60 of about 4,423 (126)

Measurement of ocular component contributions to residual astigmatism in adult human eyes [PDF]

, 1995
The aim of this study was to determine whether an ophthalmophakometric technique could offer a feasible means of investigating ocular component contributions to residual astigmatism in human eyes. Current opinion was gathered on the prevalence, magnitude and source of residual astigmatism.
openaire   +1 more source

Transitional conic toric intraocular lens for the management of corneal astigmatism in cataract surgery

Clinical Ophthalmology, 2018
Francisco Bandeira,1 Merce Morral,2 Daniel Elies,2,3 Sergio Eguiza,2 Spyridoula Souki,2 Felicidad Manero,2 Jose L Güell2–4 1Cornea and External Disease Department, Federal University of São Paulo, São Paulo, Brazil; 2Cornea and ...
Bandeira F, Morral M, Elies D, Eguiza S, Souki S, Manero F, Güell JL   +6 more
doaj  

The effects of fixation stability, corneal density, and epithelial hyperplasia on the efficacy of astigmatism correction by transepithelial photorefractive keratectomy

Eye and Vision
Background Transepithelial photorefractive keratectomy (transPRK) can be safely and predictably performed to correct low-to-high astigmatism. This study explored the effects of fixation stability, corneal density (CD), ocular residual astigmatism (ORA ...
Junjie Yu, Hao Zhou, Minjie Chen, Zhiqiang Yu, Xingtao Zhou, Yishan Qian   +5 more
doaj   +1 more source

Clinical outcomes with toric intraocular lenses planned using an optical low coherence reflectometry ocular biometer with a new toric calculator

Clinical Ophthalmology, 2016
Kjell G Gundersen,1 Richard Potvin21IFocus Øyeklinikk AS, Haugesund, Norway; 2Science in Vision, Akron, NY, USAPurpose: To prospectively evaluate postoperative clinical outcomes with implantation of toric intraocular lenses (IOLs) using ...
Gundersen KG, Potvin R
doaj  

Comparison between 80-microns versus 100-microns flap femtosecond LASIK for correction of myopia and myopic astigmatism

Indian Journal of Ophthalmology
Purpose: This study aimed to compare the safety, efficacy, and visual outcomes of 80-microns LASIK versus 100-microns LASIK in managing myopia and myopic astigmatism. The study was conducted at a tertiary care hospital in North India. Methods: This was a
Sudarshan Khokhar, Deeksha Rani, Hemant Jhajharia, Saumya Kumar, Aishwarya Rathod, Sarika Rajput   +5 more
doaj   +1 more source

Real-World Visual Outcomes and Rotational Stability of a Monofocal Toric Intraocular Lens

Clinical Ophthalmology
Ben LaHood,1 Rachael C Peterson2 1Adelaide Eye and Laser Centre, Adelaide, South Australia, Australia; 2Alcon Research, Fort Worth, TX, USACorrespondence: Ben LaHood, Adelaide Eye and Laser Centre, 215 Greenhill Road, Adelaide, South Australia, 5063 ...
LaHood B, Peterson RC
doaj  

Impact of pterygium morphological profiles on dry eye parameters

Scientific Reports
This study aims to determine whether morphological features of pterygium are linked to clinical parameters of dry eye disease. We examined 122 eyes from 109 patients with primary nasal pterygium who underwent preoperative anterior segment swept-source ...
Dong Hee Ha, Kyoung Woo Kim
doaj   +1 more source

Clinically relevant differences in the selection of toric intraocular lens power in normal eyes: preoperative measurement vs intraoperative aberrometry

Clinical Ophthalmology, 2019
James A Davison,1 Sarah Makari,2 Richard Potvin21Wolfe Eye Clinic, Marshalltown, IA, USA; 2Science in Vision, Akron, NY, USAPurpose: To assess the value of intraoperative aberrometry (IA) in determining toric intraocular lens (IOL) power in eyes with no ...
Davison JA, Makari S, Potvin R
doaj  

Aplicaciones de la computación en la residencia de oftalmología Computing applications in Ophtalmology residence

Revista Cubana de Oftalmología, 1999
Con el auge de las numerosas técnicas microquirúrgicas de la catarata, se hizo necesario un estudio detallado de todos los aspectos que llevan a un perfeccionamiento de la técnica apoyándonos en métodos computadorizados.
Edith María Ballate Nodales, Miguel Ángel Puig Pérez, Dulce María Valle Delgado, Lídice Rankin Bravo   +3 more
doaj  

Investigating the impact of residual refraction within ±1.0 dioptre on uncorrected distance visual acuity in pseudophakic eyes: a cross-sectional study. [PDF]

BMJ Open
Li D, Zhang J, Jin L, Han X, Chen L, Liu Y, Cai W, Cao Q.   +7 more
europepmc   +1 more source