You searched for "visual acuity"
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...
Testing near or distance visual acuity for change during amblyopia therapy
In this study, the authors aimed to determine if any differences occurred between near and distance visual acuity (VA) in a cohort of childhood untreated amblyopia. They recruited 54 patients with mean age 4.9 years, SD 0.44. Mean VA in...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...Haag-Streit launches 3D imaging option for the Imaging Module 910
Haag-Streit UK (HS-UK), the leading manufacturer and distributor of gold-standard diagnostic and surgical devices and instruments for ophthalmologists, optometrists, and orthoptists, has launched the Imaging Module 910 3D (IM 910 3D) in the UK.
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...
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...Videos - iStent Inject
Trabecular bypass surgery with iStent Inject enhances aqueous outflow from the eye , evidence of this is demonstrated through Angiographic visualization of aqueous humor outflow in studies conducted by Dr. Alex Huang M.D, Ph.D
