Results 11 to 20 of about 77,514 (194)

Current Developments in Corneal Topography and Tomography [PDF]

Diagnostics, 2021
Introduction: Accurate assessment of the corneal shape is important in cataract and refractive surgery, both in screening of candidates as well as for analyzing postoperative outcomes.
Piotr Kanclerz, Ramin Khoramnia, Xiaogang Wang   +2 more
doaj   +3 more sources

Changes of corneal biomechanical and biometrical properties after combined phacoemulsification with viscocanalostomy surgery in patients with open-angle glaucoma [PDF]

BMC Ophthalmology
Purpose To assess corneal biomechanical changes after phacoemulsification and ab-externo viscocanalostomy (phaco-visco) surgery in patients with open-angle glaucoma (OAG). Methods Patients with OAG and cataract, visual acuity 
Ali Azimi, Elham Sadeghi, Hamidreza Hassanipour, Pardis Bostanian, Alireza Attar, Dorna Eghtedari, Zahra Sharafi, Hooman Razmi, Rajesh S Kumar, Ian Conner   +9 more
doaj   +2 more sources

Effects of Aberrant Pax6 Gene Dosage on Mouse Corneal Pathophysiology and Corneal Epithelial Homeostasis [PDF]

, 2011
Background: Altered dosage of the transcription factor PAX6 causes multiple human eye pathophysiologies. PAX6(+/-) heterozygotes suffer from aniridia and aniridia-related keratopathy (ARK), a corneal deterioration that probably involves a limbal ...
Fullwood, Nigel J., Martin, Francis L., Collinson, J. Martin, Richard L Mort, Morley, Steven D., Morley Steven D., West John D., Bentley, Adam J., Adam J Bentley, Mort, Richard L, Collinson J. Martin, Panagiotis Douvaras, Collinson, J Martin, J Martin Collinson, Bentley Adam J., Mort Richard L., Martin, Francis L, Bentley, Adam J, Morley, Steven D, Martin Francis L., Douvaras, Panagiotis, Steven D Morley, Robert E Hill, Mort, Richard L., West, John D., Hill, Robert E, Fullwood, Nigel J, Nigel J Fullwood, Douvaras Panagiotis, Fullwood Nigel J., Francis L Martin, Hill Robert E., Hill, Robert E., West, John D, John D West   +34 more
core   +5 more sources

Higher-order aberrations and spherical aberration in various age groups after LASIK and cataract surgery [PDF]

BMC Ophthalmology
Objective To evaluate higher order aberrations and spherical aberration in various age groups after corneal and lenticular treatments. Methods Two hundred forty untreated eyes across various age groups and 182 eyes post-corneal or lenticular treatment ...
Robert Edward T. Ang, Patricia L. Lee, Ryan S. Torres, Michelle Marie Q. Araneta, Emerson M. Cruz, Maria Socorro M. Torno   +5 more
doaj   +2 more sources

Changes in post-keratoplasty astigmatism after suture removal: refraction vs tomography vs aberrometry [PDF]

International Journal of Ophthalmology, 2021
AIM: To analyse the changes in magnitude and orientation of astigmatism after suture removal (SR) in keratoplasty eyes as measured by refraction, tomography, and aberrometry. METHODS: Twenty-six eyes of 25 patients after optical keratoplasty requiring SR
Suraj Kumar Chaurasiya, Jagadesh C. Reddy, Pravin K. Vaddavalli, Christopher J. Rapuano   +3 more
doaj   +1 more source

Possible corneal aberrometric changes after upper eyelid ptosis surgery [PDF]

Novelty in Clinical Medicine, 2023
Background: Congenital upper eyelid ptosis is a common benign disorder in children that may cause visual and functional problems as well as cosmetic problems.
Rahim Safari, Mohammd Sharifi, Maryam Sharifi, Fatemeh Mehravar   +3 more
doaj   +1 more source

Visual Outcomes and Patient Satisfaction With a New Trifocal, Toric Intraocular Lens. [PDF]

J Ophthalmol
Purpose Describe visual outcomes, rotational stability, and patient experience with a new, trifocal, toric intraocular lens (IOL), CNWTTx (Alcon, Fort Worth, TX.) Patients and methods Prospective, cohort study in a private practice in Salt Lake City, UT.
Zavodni Z.
europepmc   +2 more sources

Analysis of keratometric measurements in accordance with axial length in an aged population

Scientific Reports, 2022
To investigate keratometric measurements according to axial length in an aged population. Patients requiring cataract surgery with keratometric measurements from four different ophthalmic devices (autorefractor/keratometer, Scheimpflug imaging, corneal ...
Sung Uk Han, Soyoung Ryu, Hyunjean Jung, Hyunmin Ahn, Sangyeop Kim, Ikhyun Jun, Kyoung Yul Seo, Tae-im Kim   +7 more
doaj   +1 more source

Accuracy of Toric Intraocular Lens Implantation Using Three-Random-Point Marking Method: A Prospective Pilot Study. [PDF]

J Ophthalmol
Introduction This study aimed to compare the accuracy of three‐random‐point (TRP) marking method with the slit‐lamp horizontal meridian (SHM) marking method by using an image‐guided system in the positioning of a toric intraocular lens (IOL). Materials and Methods A total of 60 eyes of 54 patients who underwent cataract surgery were prospectively ...
Chen S, Liu Y, Luo F, Zhang H, Niu Y.
europepmc   +2 more sources

Treating intrasurgical complications of corneal refractive operation with customized ablation. A clinical case

Российский офтальмологический журнал, 2021
Purpose: to evaluate the prospects of customized Finalfit based ablation for optical rehabilitation of a patient with corneal surface errors caused by intrasurgical microtome-induced damage of a corneal flap during a LASIK excimer laser correction of ...
N. V. Khodzhabekyan, A. T. Khandzhyan, A. V. Ivanova, K. B. Letnikova, A. S. Sklyarova   +4 more
doaj   +1 more source