You searched for "quality"

1218 results found

Acanthamoeba ability to adhere to different contact lenses

This study tested ability of Acanthamoeba lugdunensis trophozoites to adhere to silicon hydrogel contact lenses (SHCL) and how this is influenced by different multipurpose contact lens solutions (MPS). Three generations of SHCL were tested: first generation – Air Optix, second...

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...

Intravitreal aflibercept for diabetic macular oedema

The VISTA and VIVID randomised phase 3 trial were designed to compare the efficacy and safety of intravitreal aflibercept injections versus laser photocoagulation for diabetic macular oedema (DMO). A total of 872 patients with centrally involving DMO were recruited, and...

Dyslexic reading improved by vergence training

The aim of this study was to evaluate if reading performance could be improved by a period of compensatory vergence training in dyslexic children with otherwise normal binocular vision. The study included 13 children with dyslexia – mean age of...

Precision and accuracy of TearLab osmometer

Measuring tear osmolarity has been identified as a potential method for objectively diagnosing dry eye. TearLab osmolarity system is an in situ osmometer which may be a promising candidate for clinical use as it is portable and only requires a...

Beliefs and adherence to glaucoma treatment

The aim of the study was to determine adherence rates and beliefs about glaucoma and its treatment in white Americans, African Americans, white Australians and Singaporeans of Chinese descent. A cross-sectional study of 475 glaucoma patients using topical eye drops...

B-scan ultrasonography

B-scan ultrasonography is commonly employed for the diagnosis and follow-up of ocular trauma. This retrospective study looked at the accuracy and predictive ability of B-scan ultrasonography following open globe repair. Of the 965 patients identified with open globe injuries at...

Understanding spaceflight-associated neuro-ocular syndrome (SANS): what do we know?

Introduction Formerly known as visual impairment and intracranial pressure syndrome (VIIP), space-related neuro-ocular syndrome (SANS) is defined by a collection of ophthalmic and neurological findings in astronauts after long-term spaceflight [1]. Changes in the eyeball, such as hyperopic shift, during...

Clipboard history

If you regularly use the clipboard on a PC or Mac to copy and paste information, you will likely appreciate how useful the feature is. Despite its utility, it fails when you copy data over something else you have yet...

Meltdown, Spectre, Flying Hospitals and Spy Cams

iPhone slowdown In early 2018 users discovered that Apple was slowing down older iPhones intentionally. The reported reason was to prolong the usable battery life. These changes were made without the knowledge or consent of owners. Unsurprisingly, a community backlash...

Embryology in clinical practice

The fascinating world of embryology is both beautiful and practical. It is a home video of our evolutionary history through the ages from the single cell through to the life aquatic, the development of gut, limbs and brain, and most...

Hot debates in medical retina and imaging: Perspectives from the Controversies in Ophthalmology 2020 virtual conference

Controversies in medical retina and imaging were debated during the Controversies in Ophthalmology 2020 virtual conference held during two mid-day scientific sessions on 27 and 28 March 2020. The author recounts key perspectives and presents viewpoint recommendations from the Vision...