You searched for "Refraction"

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Control of diabetic retinopathy after bariatric surgery

This systemic review and meta-analysis assessed prevalence of diabetic retinopathy including sight-threatening diabetic retinopathy after surgery. They included 14 studies with 110,300 surgical patients and 252,289 control subjects. They proposed that the risk of having any form of diabetic retinopathy...

Factors influencing the outcome of GT and TBT in PCG

This is a retrospective study between 2013 to 2016 of 452 eyes of patients </=12 years with primary congenital glaucoma (PCG), who underwent either goniotomy (GT) (median age: six months, 120 eyes) or trabeculotomy (TBT) (median age: 5.2 months, 332...

VA and stereo changes with increasing Bangerter filters

This study investigated the effect of monocular blur induced by Bangerter filters (BF) on both monocular and binocular visual acuity (VA) and stereoacuity in normal visual systems. Subjects included 24 healthy student volunteers aged 20.33 ±1.79 years; 22 female. One...

Surgically induced astigmatism after cataract surgery

In this study, the authors analysed a dataset of 122 eyes of 122 patients with pre- and postoperative measurements of corneal astigmatism with IOL Master 700. A standardised 2.5mm superior corneal incision was utilised. The corneal power vector component in...

Enter the Dragons’ Den: Bob Gokani

I have often daydreamed about inventing a successful new product and then going on to pitch for investment on Dragons’ Den, with the TV show’s seasoned entrepreneurs all competing with each other to invest in my company. My imagined fantasy...

Enter the Dragons’ Den: Bob Gokani

I have often daydreamed about inventing a successful new product and then going on to pitch for investment on Dragons’ Den, with the TV show’s seasoned entrepreneurs all competing with each other to invest in my company. My imagined fantasy...

AI predicts eye damage from autoimmune drug, years before symptoms appear

A novel AI tool could transform screening for patients taking hydroxychloroquine by spotting early signs of eye damage, according to a study published in Opthalmology Retina. Researchers have devised an artificial intelligence (AI) system that can detect and predict serious...

High score

Louie: “Allow me to present Pac-Man. Now, who is going to be the lucky pup who gets to play the first game? Iggy! You’re a somewhat compulsive personality. Step forward. Now… you see there’s the maze.” Iggy: “Uh-huh” Louie: “All...

Assessing and treating achromatopsia

This literature review considers clinical characteristics (pendular nystagmus, poor visual acuity, lack of colour vision and marked photophobia), genetics (autosomal recessive disease, with CNGA3, CNGB3, GNAT2, PDE6C, PDE6H and ATF6 gene mutations), diagnostic options (OCT and fundus auto fluorescence), and...

Volunteer abroad: the Khmer Sight Foundation

A team of volunteers describe their experiences of working with the Khmer Sight Foundation in Cambodia. Cambodia has a population of 15 million people, of whom an estimated 300,000 are blind. This figure is increasing by 10,000 each year. Three-quarters...

The paediatric cataract: an overview of the embryology and pathophysiology

In the first of the two articles (see Part 2 here) on paediatric cataracts, Samuel Aryee reviews the aetiology of this condition. Cataracts arise from opacification of the natural transparent lens, which can cause partial or total blindness. Although the...

New Flying Eye Hospital takes to the skies for its first programme

In June of this year, international eye care charity Orbis launched their new Flying Eye Hospital, a powerful tool helping the medical community combat preventable blindness through sustainable methods. On board an MD-10 aircraft, a fully accredited ophthalmic facility can...