You searched for "Refraction"

3004 results found

Ologen Collagen Matrix to treat ocular hypotony after filtration glaucoma surgery

The authors report a retrospective, observational case series of a Japanese cohort. 12 consecutive implantations of ologen in nine eyes of nine subjects (five men, four women; mean age ±SD, 72.1±12.7 years) who underwent subconjunctival implantation of the device to...

Blind gaming group levels up at five years

A community of gamers with sight loss from across Scotland and Northern Ireland says its network is thriving as it marks its fifth anniversary. Formed during the pandemic lockdown in November 2020, as part of RNIB’s community work, the group...

General purpose AI: Transitioning from high performance in highly curated settings to useful applications in ophthalmology

Artificial intelligence (AI) may be understood as the ability of machines to perform tasks which otherwise require human perception, reasoning, or learning. With the advent of deep learning, AI has achieved remarkable results across a wide range of medical tasks...

Prognostic AI for diabetic retinopathy: Towards the first prospective trial in the UK

Artificial intelligence (AI) is frequently described as having the capacity to dramatically change and improve healthcare. One extensively studied application of AI in ophthalmology involves the diagnosis of diabetic retinopathy (DR) or diabetic maculopathy (DM) using retinal imaging. An emerging...

Ocular Telehealth: A Practical Guide, 1st Edition

Ocular Telehealth: A Practical Guide is in its first edition, which is great considering the recent adjustments to practical medical delivery that the COVID-19 pandemic has mandated. Overall, this book is well written in a structured format defining the uses...

Nerve head in healthy humans using OCT-angiography

Optical coherence tomography angiography (OCT-A) is a recent, dyeless, and noninvasive imaging technique for evaluating depth-resolved vascular status by capturing the dynamic motion of the erythrocytes. It provides the flow map of major vessels and capillary plexuses separately in different...

Association between serum levels of testosterone and estradiol with meibomian gland assessments in postmenopausal women

This study aims to reveal any correlation between serum levels of testosterone and estradiol in postmenopausal women with meibomian gland dysfunction. Postmenopausal subjects were defined as amenorrhoea for at least one year with low follide stimulating hormone (FSH) and estradiol....

Does Ozurdex affect perfusion status in vein occlusion?

Ozurdex (intravitreal dexamethasone implant) has been approved by National Institute of Health & Care Excellence (NICE) for treatment of patients with macular oedema associated with vein occlusion. This study looks at the change in peripheral perfusion status in patients with...

OCT choroidal signs for congenital retinal pigment epithelium hypertrophy

Congenital hypertrophy of the retinal pigment epithelium (CHRPE) on ocular coherence tomography (OCT) has the characteristic sign of RPE thickening and hyper reflectivity. However, the underlying choroid characteristics remain under researched. This retrospective study utilised data from an ophthalmic oncology...

Are illness perception or personality factors associated with follow-up appointment attendance in neuro-ophthalmology?

This was a prospective study which surveyed adults with appointments in either neuro-ophthalmology or the glaucoma service at a tertiary clinic. The aim of the study was to identify factors linked to attendance of follow-up appointments. Recruitment occurred over a...

Accuracy of ChatGPT responses for questions about strabismus

This study aimed to assess the medical accuracy and readability of responses provided by ChatGPT in relation to patient/parent queries about strabismus. The authors compared responses from the free version (Chat 3.5) with those from a subscription service (version 4.0)....

How do immediate and sequential bilateral cataract surgery compare?

The authors present a retrospective cohort study with the aim of comparing the outcomes and complications of immediate sequential bilateral cataract surgery (ISBCS) and delayed sequential bilateral cataract surgery (DSBCS). Children (aged 0–24 months) undergoing bilateral cataract surgery at a...