You searched for "acuity"

1048 results found

More sensitive visual acuity test for age-related macular degeneration

Age-related macular degeneration (AMD) is the leading cause of blindness in the developed world. Primarily associated with ageing, genetic factors and lifestyle choices such as smoking also play a contributory role. Patients with early AMD, characterised by the development of...

Children’s visual acuity test without professional supervision

With increasing outpatient demand there has been an innovative shift to involve patients managing their own condition. This article compares visual testing carried out by an orthoptist with usual clinical methods, an orthoptist using the iSIGHT Test Pro and a...

Comparison of two visual acuity test versions for different distances in a paediatric population

The authors present the findings of a study which aimed to determine whether using 2 metre and 4 metre retro-illuminated ETDRS charts are comparable in children. Order of testing was standardised (right eye, left eye, binocular), however different charts were...

Visual acuity outcomes in Coat’s disease by classification stage

This is a retrospective study of 160 consecutive patients with Coat’s disease under the Shields classification, with Snellen visual acuity (VA) pre and post treatment. Affected eyes were categorised based on the Shields classification: Stage 1: retinal telangiectasia onlyStage 2a:...

How to examine the visual system Part 1: visual acuity, visual fields and eye movements

Asking candidates to perform an examination of the visual system, either as part of a full cranial nerve exam or as an individual entity, is a common station in practical examinations during medical school. It is important to practise for...

Visual acuity outcomes after cataract surgery in type 2 diabetes (NIDDM): the action to control cardiovascular risk in diabetes (ACCORD) study

This is a retrospective case-control study of 1136 eyes enrolled in the 784 ACCORD patients receiving cataract surgery between 2001-2014. 362 / 1136 eyes had gradable fundus photography for diabetic retinopathy (DR). Seven hundred and sixty-two eyes (67.1%) achieved 20...

IOL cataract surgery in seven to 24 month olds

The purpose of this study was to present the long-term outcome of IOLs in paediatric patients who received cataract surgery aged seven to <24 months. This was retrospective study with minimum follow-up of 12 months for 27 patients (28 eyes)....

TAC testing in dementia

The aim was to assess the visual acuity measurements performed by the preferential looking method using Teller acuity cards (TAC) in elderly subjects with dementia due to probable Alzheimer’s disease. The mean age was 78.2±9.11 years for patients and 77.2±6.19...

Microtropia as an amblyopia indicator

This study was undertaken to determine if microtropia with identity (straight eye anisometropia) is a reliable indicator of amblyopia following optical correction. This was a retrospective review of 532 children aged four to five years. After two months of glasses...

Albinism and later life visual development

This study aimed to evaluate whether best corrected visual acuity changed significantly in the second decade of life in those with albinism and the impact of extraocular muscle surgery and type of albinism on change in acuity during the second...

VA and stereo changes with increasing Bangerter filters

This study investigated the effect of monocular blur induced by Bangerter filters (BF) on both monocular and binocular visual acuity (VA) and stereoacuity in normal visual systems. Subjects included 24 healthy student volunteers aged 20.33 ±1.79 years; 22 female. One...

The clinical spectrum of albinism

The authors sought to examine clinical correlates that may be related to foveal development in albinism with an aim to qualitatively describe the phenotype spectrum of albinism. Binocular best corrected visual acuity ranged from 20/20 to 20/80. Best corrected visual...