You searched for "visual system"
Static subjective visual vertical (SVV) in the normal visual system
1 August 2016
| Claire Howard
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EYE - Neuro-ophthalmology
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Otoliths, preset angle, subjective visual vertical (SVV), test-retest, variability
Graviception is the perception of a persons’ orientation relative to gravitational force. This can be measured by means of subjective verticals, which can be divided into three tests: subjective visual vertical (SVV), subjective postural vertical (SPV) and subjective haptic vertical...
How to examine the visual system Part 2: Accommodation, pupils, fundoscopy and additional tests
1 August 2014
| Emma Linton, Apostolos Fotakakis
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EYE - Vitreo-Retinal
Examining the visual system can be a tricky skill for medical students to master, yet it is a task that is frequently tested in examinations. This is the second of a two-part series of articles, which together aim to improve...
How to examine the visual system Part 1: visual acuity, visual fields and eye movements
1 June 2014
| Emma Linton, Apostolos Fotakakis
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EYE - Vitreo-Retinal
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...
Patients with low vision benefit from optical sector seeing ‘beyond the eyes’
26 February 2019
Patients with low vision are benefitting from an initiative developed by Visualise Training and Consultancy and funded by Thomas Pocklington Trust.
Seeing Beyond the Eyes has released its impact report which highlights a huge increase in the number of optical professionals who will now refer patients with low vision to vital support services – up from only 9% to an impressive 96%.
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...
All you need to know about PIC
3 April 2024
| Zhihang Cheng
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EYE - Vitreo-Retinal
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...
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...
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...
Chandelier-assisted versus standard scleral buckling for rhegmatogenous retinal detachment repair. Systematic review and meta-analysis
4 December 2024
| Sofia Rokerya
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EYE - Vitreo-Retinal
Despite a significant global decline in standard scleral buckling (SSB) procedures for rhegmatogenous retinal detachment (RRD), it continues to hold its place as an essential treatment option, offering distinct advantages such as cost-effectiveness, preservation of the vitreous, improved final visual...
Videos - iStent Inject
12 June 2019
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Research & Development
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
Virtual reality is revolutionising healthcare
From mental health therapies to surgical training, virtual reality is revolutionising healthcare, finds GlobalData.
A novel approach to suprachoroidal haemorrhage drainage
1 February 2022
| Su Young
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EYE - Glaucoma
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Active aspiration, butterfly needle, extrusion mode, suprachoroidal hemorrhage
The authors describe a novel surgical technique for external drainage of choroidal detachment / suprachoroidal haemorrhage with a butterfly needle. Six eyes with serous and / or haemorrhagic choroidal detachments (five from complicated cataract surgery with vitreous loss, one globe...
