You searched for "vision"

2366 results found

Ocular electrophysiology

A 34-year-old woman, who is a CEO in a multinational firm, has been losing vision over the last 12 months. She has seen her opticians, who initially tried different glasses but could not improve things. Clinical examination is unremarkable. How...

What's trending Apr/May 2022

A round-up of the eye-related hot topics that have been trending over the last few weeks. #ArgusI #ArgusII #bioniceye #retinitispigmentosa #SecondSight Remember Argus I & Argus II? Its star burned bright, touted as the future of treatment for retinitis pigmentosa....

The Eye in History

Amongst the numerous texts that are available, one occasionally encounters a history of ophthalmology. There is such rapid development of technology in recent years and one can get drawn into the minutiae of a particular subject, losing track of the...

As Far as the Eye Can See: A History of Seeing

I am a big fan of books which provide a historical context to some of the greatest wonders and challenges that we face. Siddarhtha Mukherjee does this well in Emperor of All Maladies (2010), where he explores the story of...

The refractive index in the eye lens – implications for clinical practice and optical design

The eye may appear to be a comparatively simple organ and yet its optical system is complex and continues to be a source of investigation and research. The major optical elements are considered to be the cornea and the lens...

Visual performance of new multifocal IOL

Multifocal IOLs (MIOLs) keep evolving to try and get the best outcome in terms of vision and reduction of side-effects. This prospective interventional study was carried out on 34 eyes of 17 patients (11 women (65%) and six men (35%))...

Clinical evaluation of a multifocal aspheric diffractive intraocular lens

This is a multi-centre prospective study involving five different centres in Europe including 52 patients with cataract. The average age was 68.5±10.5 years, 35 females were bilateral implanted with aspheric diffractive multifocal lens implantation of the Tecnis 1-Piece multifocal intraocular...

Contrast sensitivity after laser corneal surgery

This study group compared contrast sensitivity among participants undergoing wavefront-guided or wavefront-optimised photorefractive keratectomy (PRK) or laser-assisted in situ keratomileusis (LASIK) for the treatment of myopia or myopic astigmatism 12 months after surgery. This was a prospective, randomised clinical trial,...

Risk factors and prognosis of paediatric open globe injuries

This retrospective, comparative, interventional case-control study was aimed to investigate possible risk factors and prognosis of initial no light perception (NLP) in paediatric open globe injuries (POGI). A total of 851 cases were reviewed, including 837 unilateral cases and 14...

Alternative diagnosis in cases of poor response to amblyopia therapy

The aim of this study was to assess the prevalence of coexistent ocular pathology and identify / describe the factors that contribute to undiagnosed alternate diagnosis and / or co-existent pathology at initial presentation in patients referred as potentially amblyopic....

EDOF intraocular lens in eyes with preexisting retinal disease

Extended depth of focus (EDOF) intraocular lens (IOL) offers improved near and intermediate vision, aiming to reduce spectacle dependence in cataract patients. This study aims to evaluate the performance of EDOF lenses following cataract surgery in patients with retinal pathology....

Outcomes in intermediate age-related macular degeneration (AMD): A MACUSTAR study report

Intermediate AMD (iAMD) is the most high-risk AMD stage for progressing to late AMD. This article gives the report of the MACUSTAR study. A wide range of assessments were conducted across 20 sites in seven European countries, in accordance with...