You searched for "images"

1420 results found

Simulating the visual impairment symptoms of age-related macular degeneration in virtual reality

A new virtual reality application visually simulates age-related macular degeneration and demonstrates its progression over time including some Charles Bonnet syndrome hallucinations. Introduction Age-related macular degeneration (AMD) is the leading cause of blindness in developed countries with the prevalence of...

Leveraging networks and collaboration: The Calabar Diabetic Retinopathy Service, from inception to a state-wide service, research and training hub

Diabetic retinopathy (DR), a microvascular complication of diabetes mellitus (DM), is a leading cause of preventable vision loss and blindness in people of working age globally [1]. Diabetic retinopathy is a disease of public health importance in Nigeria as it...

Are we short-sighted about myopia?

Worldwide prevalence of myopia has increased rapidly in recent years and has now reached epidemic levels, particularly in South-East Asia where prevalence is around 80% [1-4]. Myopia prevalence is also increasing in the United States and Europe where it is...

Pituitary tumours: why are they so often missed?

Part 3: Clinical features, assessment and management (see also Part 2, and Part 1) As previously mentioned in this treatise [1] pituitary tumours are common, occur in all age groups and can present with anything from minimal visual symptoms to...

Pituitary tumours: why are they so often missed?

Part 2: Clinical varieties, anatomical considerations and case report (see also Part 1 and Part 3) For ophthalmologists there are four types of pituitary tumour to be considered, three of which are named according to the hormone secreted, along with...

My top five: Influential ophthalmologists

Ophthalmology has witnessed remarkable evolution and advancements throughout history. The field has undergone dramatic change and development since the times of Ancient Egypt where the first reference to eyes was made in the Code of Hammurabi (2250 BC) [1]. From...

My Top Five: Influential ophthalmologists

Ophthalmology has witnessed remarkable evolution and advancements throughout history. The field has undergone dramatic change and development since the times of Ancient Egypt where the first reference to eyes was made in the Code of Hammurabi (2250 BC) [1]. From...

Evolving towards an interventional glaucoma mindset

Traditionally, a newly diagnosed glaucoma patient would be treated first with medical therapy. As the disease progressed or the initial intervention failed to adequately control intraocular pressure (IOP), clinicians would add more drops, selective laser trabeculoplasty (SLT), repeated SLT and...

Regulatory approval for the use of AI as a medical device

A study led by researchers at Moorfields Eye Hospital and UCL Institute of Ophthalmology examined 36 ‘artificial intelligence as a medical device’ tools approved by regulators in Australia, Europe and the US, identifying that 19% had no published peer-reviewed data...

Orbis celebrates International Day of Friendship

International eyecare charity Orbis recognises the importance of strong bonds on International Day of Friendship 2023.

Risk calculation variability over time in OHT

In this study the authors aimed to assess the variability of the well documented risk model from the Ocular Hypertension Treatment Study (OHTS) that identified higher intraocular pressure (IOP), older age, lower central corneal thickness (CCT), greater vertical cup-to-disc ratio...

Quality and readability of online web information for childhood glaucoma

In this study, the quality, reliability, technical quality and readability of online information related to childhood glaucoma was assessed. This was a cross-sectional study of websites discussing childhood glaucoma. The authors undertook an analysis of 500 websites over a six-month...