You searched for "visual acuity"

82 results found

Development of testing protocols for high and low contrast visual acuity

Dysfunction of the afferent visual system, characterised by impairments in high-contrast visual acuity (HCVA) and low-contrast visual acuity (LCVA) have been demonstrated in some neurological conditions such as multiple sclerosis and Parkinson’s disease. HCVA and LCVA are also potential quantitative...

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...

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...

iStent inject® W© from Glaukos

iStent inject® W© is a development in the Glaukos Trabecular Micro-Bypass system technology.

Vital dyes in ophthalmology

This comprehensive review gives an excellent summary of the uses and properties of the different dyes available to aid better visualisation and diagnoses in ophthalmology. The authors clearly display the pharmacological properties, molecular details, osmolarity and indications in clinical ophthalmology...

Heidelberg Engineering introduces new standard in customised patient care with SPECTRALIS SHIFT technology

Heidelberg Engineering announces that SPECTRALIS® SHIFT technology is available for sale in EU markets with immediate effect.

Use of polypropylene suture with glaucoma drainage tubes

The authors overview surgical techniques for initial non-valved glaucoma drainage device tube placement and a glaucoma drainage device tube extension using polypropylene suture as a guide wire and stabiliser in paediatric patients. The detailed technique for tube placement and tube...

All you need to know about PIC

This is a review article of punctate inner chorioretinopathy (PIC). The authors detail the epidemiology and clinic presentation of the disease. They recognise the challenge of an accurate diagnosis due to its resemblance to other posterior uveitic entities. Multimodal imaging...

Orthoptic slit-lamp

Adaptations are described that allow the slit-lamp to be used to document squint disorders. Changes are made in the observation system, illumination system, for recording clinical findings and visualisation of clinical findings. The author includes the use of minus lens...

Holoxica and UKE develop holographic demonstrations for ophthalmic surgical procedures

Holoxica has been working with surgeons at the University of Hamburg-Eppendorf Eye Clinic (UKE) to produce holograms and animations of various ophthalmic surgical procedures, including cataracts, PK (Perforating Keratoplasty)...