Results 71 to 80 of about 61,280 (177)

The Incidence of Posterior Ocular Astigmatism in a Refractive Surgery Population as Determined by the Direct Reduction of Topography Measured Astigmatism

Clinical Ophthalmology
Manoj Motwani, Lourdes Haydaw Cornea Revolution/Motwani, LASIK Institute, San Diego, CA, 92121, USACorrespondence: Manoj Motwani, Cornea Revolution/Motwani, LASIK Institute, 9710 Scranton Road, Ste 170, San Diego, CA, 92121, USA, Tel +1 858 554-0008 ...
Motwani M, Haydaw L
doaj  

Habitable Exoplanet Observatory (HabEx) Telescope: Systems Engineering and STOP Modeling [PDF]

The Habitable Exoplanet Observatory Mission (HabEx) is one of four missions studied for the 2020 Astrophysics Decadal Survey. Its goal is to directly image and spectroscopically characterize planetary systems in the habitable zone around nearby sun-like ...
Stahl, H. Philip
core   +1 more source

Astigmatism [PDF]

The American Journal of the Medical Sciences
I.A. Loskutov, A.K. Tigranyan
  +8 more sources

Selective suture cutting for control of astigmatism following cataract surgery

Indian Journal of Ophthalmology, 1992
Use of 10-0 monofilament nylon in ECCE cataract surgery leads to high with the rule astigmatism. Many intraoperative and post operative methods have been used to minimise post operative astigmatism.
Bansal R, Gupta Amod, Grewal SPS
doaj  

Test and evaluation of the 2.4-micron photorefractor ocular screening system [PDF]

An improved 2.4-m photorefractor ocular screening system was tested and evaluated. The photorefractor system works on the principal of obtaining a colored photograph of both human eyes; and, by analysis of the retinal reflex images, certain ocular ...
Richardson, J. R.
core   +1 more source

Demonstrating astigmatism [PDF]

Eye, 1996
openaire   +2 more sources

Impact of central corneal astigmatism on postoperative visual outcomes in patients undergoing trifocal intraocular lens implantation

BMC Ophthalmology
Background To investigate the impact of central corneal astigmatism on postoperative visual outcomes in patients with trifocal intraocular lens (IOL) implantation.
Lan Wang, Jiaqi Meng, Jiao Qi, Dongling Guo, Yi Lu, Xiangjia Zhu   +5 more
doaj   +1 more source

Global prevalence and economic and humanistic burden of astigmatism in cataract patients: a systematic literature review

Clinical Ophthalmology, 2018
David F Anderson,1 Mukesh Dhariwal,2 Christine Bouchet,3 Michael S Keith3 1University Hospital Southampton, NHS Foundation Trust, Southampton, UK; 2Novartis Ireland Ltd., Dublin, Ireland; 3Alcon Laboratories Inc., Fort Worth, TX, USA Purpose: To ...
Anderson DF, Dhariwal M, Bouchet C, Keith MS   +3 more
doaj  

Astigmatism induced by conventional spherical ablation after PRK and LASIK in myopia with astigmatism < 1.00 D

Clinical Ophthalmology, 2012
Steven M Christiansen,1 Mark D Mifflin,1 Jason N Edmonds,1 Rachel G Simpson,2 Majid Moshirfar11John A Moran Eye Center, University of Utah, Salt Lake City, UT, 2The University of Arizona College of Medicine, Phoenix, AZ, USABackground: The purpose of ...
Christiansen SM, Mifflin MD, Edmonds JN, Simpson RG, Moshirfar M   +4 more
doaj  

Comparison of femtosecond laser-assisted corneal relaxing incisions and toric implantable collamer lens for low-to-moderate astigmatism: A retrospective study. [PDF]

Lasers Med Sci
Zhang F, Li S, Zhou J, Wang W, Peng N.
europepmc   +1 more source