Results 131 to 140 of about 78,366 (184)

Analysis of the Effect of Pupil Size and Corneal Aberration on the Optical Performance of Premium Intraocular Lenses. [PDF]

J Clin Med
Miret JJ, Camps VJ, García C, Caballero MT, Sempere-Molina A, Gonzalez-Leal JM.   +5 more
europepmc   +1 more source

Preservation and Reuse of KLEx Lenticules: From Biobanking to Therapeutic and Refractive Innovations. [PDF]

Bioengineering (Basel)
Christodoulou R, Ferrari S, Ponzin D, Nubile M, Riau AK, Mehta JS.   +5 more
europepmc   +1 more source

Implantation of Small-Aperture IOL in Patients with Cataract and Preexisting Corneal Comorbidities. [PDF]

Clin Ophthalmol
Samarawickrama C, Khan M.
europepmc   +1 more source

Managing Pseudophakic Corneal Edema: Structural Changes and Preliminary Observations on Coenzyme Q10 Use. [PDF]

Korean J Ophthalmol
Güvenç U, Akkaya ZY, Burcu A.
europepmc   +1 more source

Progression and regression of keratoconus in an Iranian population. [PDF]

Sci Rep
Jamali A, Hashemi H, Nabovati P, Khabazkhoob M.   +3 more
europepmc   +1 more source

Corneal asphericity and related factors in the geriatric population: A population-based study

Ophthalmic and Physiological Optics, 2021
Purpose: To determine the distribution of the corneal asphericity coefficient (Q value) and related factors in an Iranian geriatric population. Methods: This population-based study was conducted in 2019 in Tehran, using stratified multistage random ...
Fatemeh Hashemi, Payam Nabovati, Hassan Hashemi   +2 more
exaly   +1 more source

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Corneal asphericity and refractive error

Ophthalmic and Physiological Optics, 1989
The relationship between corneal curvature measured by classical keratometry and refractive error raises the question of a possible systematic relationship between refractive error and the degree of corneal asphericity. A recomputation and analysis of previously published data leads to the conclusion that the different refractive groups have similar ...
William A Douthwaite
exaly   +3 more sources

Relationship between anterior corneal asphericity and refractive variables

Graefe's Archive for Clinical and Experimental Ophthalmology, 2008
The anterior corneal surface is closely modelled by a conic section that is fully described by asphericity (Q) and the apical radius of curvature. Computerized corneal topographers have allowed for more accurate and complete descriptions of corneal shape.
Robert Montés-Micó, Amalia Lorente-Velázquez, Amelia Nieto-Bona   +2 more
exaly   +3 more sources

Corneal Asphericity and Spherical Aberration

Journal of Refractive Surgery, 2007
Purpose: To summarize the various values of asphericity in different notations and present how corneal asphericity, corneal curvature, and entrance pupil diameter influence the longitudinal spherical aberration of the anterior corneal surface. Methods:
exaly   +3 more sources