Crizal Natural Look: What Has Replaced Sapphire HR?
Crizal Natural Look has replaced Sapphire HR as Essilor’s premium anti-reflection coating. Here’s what has changed, what has stayed the same and what it means for wearers.
Crizal Natural Look has replaced Sapphire HR as Essilor’s premium anti-reflection coating. Here’s what has changed, what has stayed the same and what it means for wearers.
A practical comparison of Transitions GEN S and XTRActive New Generation, including indoor clarity, outdoor darkness, driving, colour choice, speed and the pros and cons of light-reactive lenses.
A comprehensive guide to glaucoma: what it is, who is at greater risk, the different types, symptoms, early detection, treatment, prognosis and sensible risk-reduction strategies.
A practical guide to colour vision deficiency: the main types, why it is more common in men, signs parents may notice, how opticians test colour vision and how it can affect everyday life and careers.
OCT scans can be particularly valuable when compared over time. Find out how baseline and repeat Spectralis OCT scans can help monitor changes in eye health.
A clear explanation of how varifocal lenses combine distance, intermediate and near vision, why peripheral blur exists, and why accurate fitting matters.
Learn how prolonged screen use can cause digital eye strain, dry eyes, headaches and blurred vision, with practical steps to make screens more comfortable.
Why are blue eyes blue, and can two blue-eyed parents have a brown-eyed child? We explore the surprisingly complicated genetics behind eye colour.
Can carrots really improve night vision? We look at the wartime story behind the myth, what vitamin A actually does and where carrots genuinely fit into a healthy diet.
A practical Worcester guide to the partial solar eclipse on 12 August 2026, including local times, how to watch safely and why proper solar viewing protection matters.