Search

You searched for "lens"

1333 results found

The assessment of pupils and 
pupillary reactions

1 October 2015 | | EYE - Vitreo-Retinal
Understanding pupillary reactions is vital in understanding basic neuro-opthalmology. It is a skill required in eye casualty, clinics and perhaps most importantly, exams. To start at the beginning, the pupil is the central aperture of the iris, its size controlling...

In bed with Adnan Tufail

4 August 2021 | | EYE - Cataract, EYE - Cornea, EYE - Glaucoma, EYE - Imaging, EYE - Neuro-ophthalmology, EYE - Oculoplastic, EYE - Oncology, EYE - Orbit, EYE - Paediatrics, EYE - Pathology, EYE - Refractive, EYE - Strabismus, EYE - Vitreo-Retinal, EYE - General
I used to like conferences. In fact, I loved them. When Euretina was in Paris in 2019 I met up with friends and colleagues, went out to bars and restaurants and took some time to see the Arc de Triomphe...

Using OneNote in teams

1 October 2019 |
Much like Outlook, Word, PowerPoint and Excel, OneNote is part of Microsoft Office. For this reason it is likely that you will have access to it in your work environment. Used in isolation it is an easy to use and...

Aspiration of anteriorly migrated dexamethasone implant using an 18G intravenous cannula

4 December 2025 | | EYE - Cornea, EYE - Vitreo-Retinal
Intravitreal dexamethasone (Ozurdex 0.7mg) is a biodegradable, sustained-release implant used to manage diabetic macular oedema, macular oedema secondary to retinal vein occlusion, and non-infectious posterior uveitis due to its anti-inflammatory effects and VEGF suppression [1]. While effective, the implant may...

Eyes on the road – visual standards for car drivers

1 June 2019 | | EYE - General
The author examines the current visual standards required by drivers and asks whether more needs to be done to make roads safer. Are the public adequately protected by the current system of visual standards required by drivers? In a survey...

What's trending Dec/Jan 2021

7 December 2020 | | EYE - General, EYE - Vitreo-Retinal, EYE - Cataract, EYE - Refractive
A round-up of the eye-related hot topics that have been trending on social media over the last few weeks. #threeblindmice US company Nanoscope Therapeutics has developed a new treatment which is hoped will restore vision in those affected by retinal...

A comparison of light sources in retinal imaging

1 October 2021 | | EYE - Imaging, EYE - Vitreo-Retinal, EYE - General
Before starting to talk about the light sources present in retinal imaging, it is necessary to start from the base: the light. Light is an electromagnetic wave whose smallest part is the photon (or quantum of light). A high frequency...

Artists Unite: hear from artist Lindsey Whitelaw

22 June 2022 |
An art exhibition examining sight loss opened as part of the Wandsworth Arts Fringe in London on 10 June. Artist Lindsey Whitelaw spoke to Eye News about her process, and the influence of visual impairment on her work.

Clear sight is ‘revelation’ for Yaxley resident following ‘life-changing’ surgery

9 December 2022
Retiree Steve Low has rekindled his love for photography.

An unusual case of silicone oil in the anterior chamber simulating intraocular implant

1 October 2016 | | EYE - Cataract, EYE - Refractive, EYE - General
Silicone oil internal tamponade has been used for over 50 years, even prior to pars plana vitrectomy [1].Over a course of time silicone oil may migrate to the anterior chamber through the pupil. This may disperse in the form of...

A refractive surprise after vitrectomy and capsulectomy

1 February 2016 | | EYE - Cataract, EYE - Cornea, EYE - General, EYE - Glaucoma, EYE - Imaging, EYE - Neuro-ophthalmology, EYE - Oncology, EYE - Oculoplastic, EYE - Orbit, EYE - Paediatrics, EYE - Pathology, EYE - Refractive, EYE - Strabismus, EYE - Vitreo-Retinal
Figure 1: Right posterior capsule small aperture. We report a case of a pseudophakic patient who underwent vitrectomy and posterior capsulectomy. In spite of good visual acuity and absence of floaters, he was unhappy with the visual outcome. Case report...

The future of binocular viewing systems?

1 December 2022 | | EYE - General
I recently had the pleasure to visit Vision Engineering’s headquarters and manufacturing facility in Woking, UK. Vision Engineering have built an international reputation for engineering microscopes that provide 3D visualisation without the use of traditional optical eyepieces. Although the company...