You searched for "Refraction"

2322 results found

Zoom

One of the side-effects of the coronavirus pandemic is that suddenly everything is now done on Zoom. In case anyone is fortunate enough to have no idea what this is, Zoom is an app that allows virtual meetings to take...

Chrome extensions

Chrome is the most popular internet browser, with 44% of the market share (April ‘19). The other browsers of relevance are: Safari (31%) and Firefox (14%). Both Chrome and Firefox can be used on PC and Mac. Safari is only...

An update on inherited retinal disorders (part 1) – overview and assessment of inherited retinal disease

Part 2 of this topic can be found here Inherited Retinal Disease (IRD) is the leading cause of blindness certification in the working age population (age 16-64 years) in England and Wales and the second most common in childhood [1]....

Glasgow eye department continues to disrupt ocular simulation training through novel DRV system - the first of many?

Ongoing technological developments are enabling continuous progress to be made across all aspects of medical simulation training. This is particularly true within the field of ophthalmology, where surgical training advancements have enabled the role of simulation to expand dramatically over...

Glasgow eye department continues to disrupt ocular simulation training through novel DRV system - the first of many?

Ongoing technological developments are enabling continuous progress to be made across all aspects of medical simulation training. This is particularly true within the field of ophthalmology, where surgical training advancements have enabled the role of simulation to expand dramatically over...

AAO cancels meeting for first time since 1945

The AAO has announced that its 2020 meeting will now be virtual only.

Nanofiber-based hydrogels prevent capsular opacification

Lens refilling is the replacement of the lens with a silicone polymer in an otherwise intact lens capsule. However, capsular opacification (CO), resulting in reduced visual acuity, is a major complication of these injectable accommodating lenses. Opacification is due to...

PD-1 and retinal ganglion cell death

Death of retinal ganglion cells (RGC) in conditions like glaucoma leads to permanent visual loss. RGC death can be due to the initial stress such as raised intraocular pressure or secondary to mechanism such as oxidative stress. Programmed cell death-1...

Limbal melanocytes and the stem cell niche

The cornea is continually regenerated to maintain clear vision, due to a population of stem cells located in the limbal region between the cornea and the conjunctiva. These limbal stem cells (LESC) reside in crypts in structures called the Pallisades...

Refocus on children programme results

The authors describe the logistics and results of the refocus on children programme for the 2012-13 school year. The aim of the programme was to help school nurses provide access to comprehensive vision care and reduce unnecessary visual loss or...

Clinical predictors of proliferative sickle cell retinopathy

Sickle Cell Disease (SCD) is an inherited disorder resulting in production of Haemoglobin S (HbS), which aggregates in conditions of hypoxia, acidosis or hyperosmolarity. This leads to vascular stasis, thrombosis and ischaemia. The authors present a cross-sectional study (45 consecutive...

Bisphosphonates can cause orbital inflammation

The authors describe four patients with bisphosphonate induced orbital inflammation and review a further 25 cases in the literature. Intravenous zoledronate was the most common precipitant (76% of cases) with the mean time until onset of inflammation being three days...