Results 31 to 40 of about 3,732,270 (282)

The visual outcome after cataract surgery with multifocal intraocular lenses and monofocal intraocular lenses at tertiary care hospital: A prospective observational study

open access: yesIndian Journal of Health Sciences and Biomedical Research KLEU, 2017
Background: The crystalline lens is part of the optical system of the eye that focuses rays of light on the retina. Apart from contributing to the optical power of the eye as a whole, the crystalline lens can dynamically change the optical power of the ...
Anjal M Shah, Umesh U Harakuni
doaj   +1 more source

Evaluation of an Eye-Tracking-Based Method for Assessing the Visual Performance with Progressive Lens Designs

open access: yesApplied Sciences, 2023
Due to the lack of sensitivity of visual acuity (VA) measurement to quantify differences in visual performance between progressive power lenses (PPLs), in this study, we propose and evaluate an eye-tracking-based method to assess visual performance when ...
Pablo Concepcion-Grande   +4 more
doaj   +1 more source

Effectiveness of low-dose topical atropine in preventing the progression of myopia – A prospective interventional cohort study in pediatric patients

open access: yesThe Pan-American Journal of Ophthalmology
Background: Myopia is a very common pathological condition in the pediatric age group which can lead to devastating complications if not treated early. Recent studies support the use of atropine drops of various concentrations to prevent the progression ...
Tara Susan Mohan   +4 more
doaj   +1 more source

A comparison of visual outcomes in three different types of monofocal intraocular lenses [PDF]

open access: yesInternational Journal of Ophthalmology, 2015
AIM: To compare the visual outcomes (distance and near) in patients opting for three different types of monofocal intraocular lens (IOL) (Matrix Aurium, AcrySof single piece, and AcrySof IQ lens).
Vijay Shetty   +5 more
doaj   +1 more source

Near Vision Difficulties With Flexible Contact Lens Wear [PDF]

open access: yes, 1978
Near vision problems with flexible contact lens wear are often sited as a cause for patient failure. This near vision blur is shown to be primarily caused by distortion of the anterior contact lens surface during near fixation.
Carney, Leo G.
core  

Ethical Foreground and Background in Adult Educator Work

open access: yesNew Directions for Adult and Continuing Education, EarlyView.
ABSTRACT Adult educators work in a complex ethical environment. The very act of contributing to the learning of another is fraught with moral overtones. In this paper we consider the ethical dimensions of adult educator practice by distinguishing the ethical features of the context or ‘background’ of practice from the ethical capabilities and decision ...
Steven Hodge, Sonal Nakar
wiley   +1 more source

Efficacy and safety of pilocarpine hydrochloride ophthalmic solution USP 1.25% w/v versus placebo ophthalmic solution for the treatment of presbyopia – A multicentric clinical trial

open access: yesIndian Journal of Ophthalmology
Purpose: To evaluate the efficacy and safety of 1.25% pilocarpine compared to placebo for the treatment of presbyopia. Methods: This multicenter, randomized, double-masked clinical trial compared pilocarpine 1.25% to placebo in presbyopic individuals ...
Parul Singh   +5 more
doaj   +1 more source

Risk of Non‐Arteritic Anterior Ischemic Optic Neuropathy in Idiopathic Intracranial Hypertension Patients Treated with GLP‐1 Receptor Agonists

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Introduction Glucagon‐like peptide‐1 receptor agonists (GLP‐1 RAs) have demonstrated significant weight‐reducing effects and may offer benefits in idiopathic intracranial hypertension (IIH); however, recent concerns about the risk of non‐arteritic anterior ischemic optic neuropathy (NAION) have emerged.
Faisal A. Al‐Harbi   +9 more
wiley   +1 more source

Challenges in pediatric endothelial keratoplasty

open access: yesIndian Journal of Ophthalmology, 2014
We performed endothelial keratoplasty (EK) in three eyes of two siblings (2.5 years, male and 3.5 years, female) with congenital hereditary endothelial dystrophy (CHED) and report the intraoperative and postoperative difficulties. Repeated iris prolapse,
Vikas Mittal, Ruchi Mittal
doaj   +1 more source

Prescribing near magnification for low vision patients [PDF]

open access: yes, 1999
Most patients with low vision request help with reading. Despite improvements in the\ud assessment of visual functions, determining the appropriate magnification for reading\ud still often involves a trial and error approach.
Lovie-Kitchin, Jan E.   +1 more
core  

Home - About - Disclaimer - Privacy