Results 1 to 10 of about 2,254,106 (309)
Screening for Significant Refractive Error Using a Combination of Distance Visual Acuity and Near Visual Acuity [PDF]
PLoS ONE, 2015 To explore the effectiveness of using a series of tests combining near visual acuity (NVA) and distance visual acuity (DVA) for large-scale screenings for significant refractive error (SRE) in primary school children.Each participant underwent DVA, NVA ...
Jianfeng Zhu, Haidong Zou, Peiyao Jin
exaly +2 more sources
Differential visual acuity – A new approach to measuring visual acuity
Journal of Optometry, 2020 A novel type of acuity measurement, which we refer to as 'differential acuity', requires the observer to identify one unique target among three others which are identical. This is a proof of concept study aimed to determine if differential acuity is equivalent to standard measures of recognition acuity.To create a range of visual acuity, vision was ...
Elizabeth Irving, Susan J Leat
exaly +3 more sources
Ophthalmology Science, 2023 Objective: To examine the data quality and usability of visual acuity (VA) data extracted from an electronic health record (EHR) system during ophthalmology encounters and provide recommendations for consideration of relevant VA end points in ...
Judith E. Goldstein, OD +3 more
doaj +1 more source
Comparison of smartphone based peek visual acuity with Snellen Visual Acuity
Journal of Applied Pharmaceutical Research, 2023 Purpose: To test an alternative method of visual acuity assessment by comparing habitual and best-corrected visual acuity by Snellen and Peek (a visual acuity testing smartphone application).
Nisha Dulani +2 more
doaj +1 more source
Habitual visual acuity and visual acuity threshold demands in Nigerian school classrooms
Scientific Reports, 2022 This study was designed to estimate the burden of blindness and vision impairment in school children, and to determine the proportion of students meeting the visual acuity (VA) demand for their classrooms. From 148 primary and secondary school classrooms
Onyekachukwu Mary-Anne Amiebenomo +3 more
doaj +1 more source
Age-related laryngoscopic visual acuity
African Journal of Emergency Medicine, 2021 Background: Endotracheal intubation by direct laryngoscopy is a mainstay of advanced airway management performed both in the prehospital environment and in the Emergency Department.
Abdul-Maajid Mathews +2 more
doaj +1 more source
Vertical dynamic visual acuity is significantly lower than horizontal dynamic visual acuity
Scientific Reports, 2023 Dynamic visual acuity (DVA) is crucial for the perception of moving objects. While traditional DVA assessment tools predominantly focus on horizontal movements, the evaluation of vertical DVA remains unstandardized.
Aoi Tachihara +5 more
doaj +1 more source
Visual acuity after trabeculectomy [PDF]
Vojnosanitetski Pregled, 2005 Background/Aim. In this study we compared the two groups of glaucoma patients who had underwent trabeculectomy, with or without intraoperative application of antimetabolite 5-Fluorouracile (5 FU). Methods. We followed up 50 glaucoma patients (group I) in
Buzarovska-Blaževska Karolina +3 more
doaj +1 more source
Indian Journal of Ophthalmology, 2021 Purpose: The aim of this study was to determine habitual visual acuity (HVA) in a large urban cohort in western India and identify factors associated with poor HVA.
Nishant Kumar +3 more
doaj +1 more source
A comparative study on peek (Smartphone based) Visual acuity test and LogMAR visual acuity test
TNOA Journal of Ophthalmic Science and Research, 2023 Context: The use of smartphone-based peek acuity application to test the visual acuity will improve the time efficacy, availability, and utility of subjective results collections for the healthcare providers.
J Anitha +4 more
doaj +1 more source