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About 5,000 results

ALLMedicine™ Astigmatism Center

Research & Reviews  1,792 results

Prevalence and time trends of refractive error in Chinese children: A systematic review...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8285767
Journal of Global Health; Tang Y, Chen A et. al.

Jul 31st, 2021 - To investigate the prevalence and time trends of refractive error (RE) among Chinese children under 18 years old. PubMed, Embase, Web of Science were searched for articles that estimated prevalence of RE in Chinese children. Data of identified eli...

Corneal Stroma Thickness Changes after Myopic Laser Corneal Refractive Surgery.
https://doi.org/10.1097/j.jcrs.0000000000000765
Journal of Cataract and Refractive Surgery; Alió Del Barrio JL, Canto-Cerdan M et. al.

Jul 31st, 2021 - To evaluate the postoperative behavior of the central corneal stroma thickness after myopic femto-LASIK and SMILE by using a combined anterior segment-OCT and placido disc topographer, and to compare the accuracy of both laser machines in predicti...

Accuracy of OCT-derived net corneal astigmatism measurement.
https://doi.org/10.1097/j.jcrs.0000000000000766
Journal of Cataract and Refractive Surgery; Llorens-Quintana C, Pavlatos E et. al.

Jul 31st, 2021 - To assess the repeatability and accuracy of corneal astigmatism measurement with a spectral-domain optical coherence tomography (OCT) system (Avanti, Optovue) and compare them with Scheimpflug imaging (Pentacam HR, Oculus) and swept-source optical...

Eight-year follow-up of Artiflex and Artiflex Toric phakic intraocular lens.
https://doi.org/10.1177/11206721211035617
European Journal of Ophthalmology; Royo M, Jiménez Á et. al.

Jul 29th, 2021 - To analyse long-term efficacy, safety, visual and refractive stability and physiological changes of Artiflex Myopia and Toric phakic intraocular lenses (pIOL) separately throughout an 8-year follow-up. Retrospective cohort study. A total of 67 eye...

Ocular Biometric Characteristics Measured by Swept-Source Optical Coherence Tomography ...
https://doi.org/10.1016/j.ajo.2021.06.032
American Journal of Ophthalmology; Wasser LM, Tsessler M et. al.

Jul 28th, 2021 - To study the distribution of ocular biometric parameters utilizing a swept-source optical coherence tomography (SS-OCT) biometer in adult candidates for cataract surgery. A retrospective cross-sectional study. SETTING: A single-center analysis of ...

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Guidelines  1 results

Guidelines for automated preschool vision screening: a 10-year, evidence-based update.
https://doi.org/10.1016/j.jaapos.2012.09.012
Journal of AAPOS : the Official Publication of the Americ... Donahue SP, Arthur B et. al.

Jan 31st, 2013 - In 2003 the American Association for Pediatric Ophthalmology and Strabismus Vision Screening Committee proposed criteria for automated preschool vision screening. Recent literature from epidemiologic and natural history studies, randomized control...

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Clinicaltrials.gov  109 results

Topography-guided LASIK Surgery
https://clinicaltrials.gov/ct2/show/NCT03292419

Feb 10th, 2020 - The investigators are analyzing outcomes of topography-guided LASIK surgery in participants with myopia and myopic astigmatism. The investigators will be monitoring changes in anterior segment optical coherence tomography epithelial thickness maps...

Corneal Biomechanics Study
https://clinicaltrials.gov/ct2/show/NCT03658239

Jan 29th, 2020 - The preliminary theoretical study in which the corneal geometry at different intraocular pressure (IOP) levels is investigated using a theoretical biomechanical cornea model found changes in both conventional refractive error (sphere and cylinder)...

Evaluate the Safety and Effectiveness of the Biotrue ONEday for Astigmatism
https://clinicaltrials.gov/ct2/show/NCT03681808

Dec 3rd, 2019 - This is a multicenter, randomized 1:1, parallel-group, bilateral, Investigator-masked study at 13 investigative sites in the United States (US) in a population including Chinese subjects (maternal and paternal grandparents born in China)

Conventional Surgery vs. Verion/VerifEye
https://clinicaltrials.gov/ct2/show/NCT02513745

Sep 4th, 2019 - Nowadays cataract patient's expectations are closer to those of refractive surgery patients. Patients want to be spectacle independent. However, fifteen to twenty percent of cataract surgery patients have from 1.00 to 3.00 diopters (D) of corneal ...

Accuracy of Corneal Astigmatism in Different Region Modes
https://clinicaltrials.gov/ct2/show/NCT03299530

Aug 20th, 2019 - To analyze the difference between measured total corneal astigmatism and actual corneal astigmatism under different region modes and optimize the region setting.

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News  83 results

Astigmatism Management in Cataract Surgery Depends on Anterior Capsule Overlap
https://www.medscape.com/viewarticle/953842

Jun 28th, 2021 - Astigmatism management at the time of cataract surgery is something that, in my opinion, all surgeons should be comfortable addressing. Whether you treat it with a blade, laser, or intraocular lens (IOL), management of astigmatism is critical to e...

Astigmatism Management in Cataract Surgery Depends on Anterior Capsule Overlap
https://www.medscape.com/viewarticle/953842?src=

Jun 28th, 2021 - Astigmatism management at the time of cataract surgery is something that, in my opinion, all surgeons should be comfortable addressing. Whether you treat it with a blade, laser, or intraocular lens (IOL), management of astigmatism is critical to e...

Multifocal Contact Lenses With High Add Power Help Slow Myopia Progression
https://www.staging.medscape.com/viewarticle/935528

Aug 12th, 2020 - NEW YORK (Reuters Health) - Soft multifocal contact lenses with a high add power help slow progression of myopia in children, more so than multifocal lenses with medium add power or single-vision lenses, according to results of the BLINK trial. "O...

Double Trouble: 4 Things to Do in Patients With Diplopia
https://www.medscape.com/viewarticle/920911_1

Nov 13th, 2019 - Tim (not his real name) was on his way to work when he was startled by two blue cars that suddenly appeared near his car. He swerved to avoid a collision and then quickly pulled onto the shoulder of the road. While trying to collect himself, he lo...

Treat Corneal Irregularities Before Cataract Surgery
https://www.medscape.com/viewarticle/919348

Oct 9th, 2019 - It is often said that what is diagnosed before surgery is the patient's problem and what is diagnosed after surgery is the surgeon's problem. This is especially true when it comes to visually significant corneal surface irregularities. Patients wi...

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Patient Education  15 results see all →