You searched for "gases"

3445 results found

Cytomegalovirus retinitis post intravitreal triamcinolone in an immunocompetent patient with juvenile glaucoma

Figure 1: Fundus photograph shows active CMV retinitis four weeks after IVTA in the right eye. Figure 2: Fundus photograph of the left eye with no CMV retinitis; atrophic disc as a result of juvenile glaucoma. Case report A 29-year-old...

Traumatic ‘toy’ gun injury leading to permanent vision loss

Pseudoxanthoma elasticum (PXE) is a progressive, inherited disorder of connective tissue that affects the skin, cardiovascular system and retina. Ocular manifestations of the disease are related to Bruch’s membrane, a thin elastic tissue layer located between the retinal pigment epithelium...

An unusual presentation of sarcoidosis

*Equally contributing co-first authors. Case report A 45-year-old man presented to his local optometrist with a three-week history of severe intermittent left eye pain with associated blurred vision and tenderness around his left temple. Two days prior, he developed weakness...

Usefulness of gonioscopy to investigate cause of corneal oedema after cataract surgery

A 72-year-old man with ocular hypertension presented three months after routine right phacoemulsification and toric intraocular lens (IOL) implantation with a two-week history of an irritated right eye and a sudden deterioration in right vision. His preoperative spherical equivalence was...

CALL TO ACTION: Help the Ridley Eye Foundation ‘reach more of the unreachable’ in the Himalayas

On the 29 November 1949, Harold Ridley carried out the first implant of an intraocular lens (IoL). This was the first major breakthrough in the cure of cataract blindness since Jacques Daviel conducted the first extra-capsular extraction 198 years earlier....

Possible COVID-19 related maculopathy

COVID-19 is being investigated as a potential cause for various ocular diseases, with growing evidence of related retinal vascular changes, that vary from isolated cotton wool spots and retinal haemorrhages to retinal vascular occlusions [1.2]. COVID-related macular affection has also...

Hoya Vision Care announces winner of its first-ever international MiYOSMART Case Study Contest

The International MiYOSMART Case Study Contest was held at the 60th International Myopia Conference (IMC) 2024 meeting in Sanya, China, HOYA Vision Care launched its first-ever MiYOSMART Case Study Contest at the prestigious IMC meeting in Sanya, China, which plays...

My Top Five: Ophthalmology Twitter accounts

There are approximately 4.2 billion active social media users worldwide. This figure represents over half of the global population and is steadily rising [1]. There are currently over 217 million active Twitter users and given the platform’s versatility and ability...

My Top Five: Ophthalmology Twitter accounts

There are approximately 4.2 billion active social media users worldwide. This figure represents over half of the global population and is steadily rising [1]. There are currently over 217 million active Twitter users and given the platform’s versatility and ability...

2023 International Myopia Institute White Papers Released in Special Edition of IOVS

The International Myopia Institute (IMI) is excited to announce the release of the third series of their highly cited White Papers in a special issue of the top peer-reviewed Investigative Ophthalmology and Visual Science (IOVS) journal.

Patients blinded by stem cells! How safe are they really?

Simerdip Kaur takes a look at the latest ophthalmology-related news stories and asks which are based on facts and which are ‘fake news’. Headline: Patients blinded by stem cells! How safe are they really? Ever since the successful results following...

Does the length of the school day have a role in age of myopia onset?

The authors prospectively collected the refractive data of myopic adults attending recruiting dispensing optician or ophthalmologist sites. Participants were recruited consecutively, giving verbal informed consent. Sites included a mix of urban and rural areas across eight sites. The following data...