You searched for "colour vision"

9 results found

A brief history of colour vision

Andrew Want takes a look at how colour vision has evolved in humans and animals and how it differs across species. Colour vision is something that we often take for granted, but it has become so intrinsic to the way...

Mechanism of colour vision involvement in multiple sclerosis

There is evidence to show that the optic nerve and retina are affected in multiple sclerosis (MS) even without any clinical evidence or history of optic neuritis (ON). MS without optic neuritis causes colour-vision deficit, however, the evidence for selective...

A comparison of colour vision tests in the presence of contrast sensitivity loss

This study analyses the effect of contrast sensitivity (CS) loss on colour vision (CV) testing, using a variety of colour vision tests. The authors used a computer model for CS loss to determine its effect on CV testing scores for...

Association between colour vision impairment and amyotrophic lateral sclerosis (ALS)

The purpose of this study is to test the hypothesis that colour vision impairment is associated with amyotrophic lateral sclerosis (ALS). Abnormalities of the inner and intermediate retinal structures in patients with ALS have been described using optical coherence tomography...

ZEISS receives FDA clearance for CLARUS 700, enabling high-resolution, ultra-widefield imaging with fluorescein angiography

ZEISS's Medical Technology Segment announced that it has received 510(K) clearance from the FDA for the CLARUS® 700, High-Definition, Ultra-Widefield Imaging system for advanced care specialists. CLARUS 700 is the first high-resolution ultra-widefield imaging with true colour and a complete range of fundus imaging modalities, including fluorescein angiography (FA).

Intraocular lens technology to deliver enhanced optical performance after cataract refractive surgery

Modern cataract surgery aims to provide patients with the best possible visual outcome with the least dependence on spectacles and minimal or no complications and to treat both cataract and refractive errors with a single procedure. Phacoemulsification is the standard...

A look into the IOL space

Advances in the design and performance of intraocular lenses (IOLs) continue to be driven by demand for better outcomes, presbyopia correction and spectacle independence, alongside a better understanding of the dynamics of the crystalline lens, newer theories of accommodation and...

What's trending Oct/Nov 2019

#probeyeotic #eyeballbugs #microbiome The human microbiome usually conjures up images of the gastrointestinal tract and yoghurt containing good bacteria. However, research suggests that the ocular mucosa is home to a unique microbe collection, with important immunological functional properties [1]. This...

Corporate M&A pace gathers momentum

Intensifying franchise competition, maturing product development pipelines and looming loss of exclusivity spur renewed merger and acquisition (M&A) activity in the ophthalmics sector. Rod McNeil reviews recent deals and related strategic developments. AbbVie to acquire Allergan in $63 billion mega-combination,...