ALLMedicine™ Astigmatism Center

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...

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...

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...

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...

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 ...

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...

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...

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)...

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)

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 ...

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.

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...

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...

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...

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...

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...