Results The prevalence of myopia (spherical equivalent refraction (SER): ≤−0.50 D), hyperopia (SER: ≥+2.00 D) and astigmatism (≤−1.00 DC) among participants aged 6–7 years old was 3.3%, 25% and 19.2%, ...

Langis Michaud has received research funding from Bausch and Lomb, Neurolens and Fitlens. He has received speaker's fees from Johnson and Johnson and Essilor. Université de Montréal provides ...

Negative refraction - a phenomenon where light bends in the opposite direction to its usual behaviour - has potential to transfom optics, enabling transformative technologies such as superlenses and ...

More information: Negative refraction of light in an atomic medium, Nature Communications (2025). DOI: 10.1038/s41467-025-56250-w Journal information: Nature Communications ...

Feb 12, 2025 Negative refraction of light using atoms instead of metamaterials (Nanowerk News) For the first time, scientists have demonstrated that negative refraction can be achieved using atomic ...

Negative refraction, however, is a counterintuitive effect where light in a medium bends in the opposite direction to what is typically observed in nature, challenging conventional understanding ...

It’s time to crack the code on refractive errors. Professor (Dr.) Mahipal S. Sachdev explains the causes of some of the common vision problems and the modern solutions to help you see the world ...

Refractive errors may cause children to squint or frown, blink excessively, or rub their eyes. Parents and caregivers should book an eye exam for the child if they notice these signs.

This story is from October 28, 2024 Exploring refractive errors: Expert insights from an Ophthalmic surgeon on vision correction SPOTLIGHT / Updated: Oct 28, 2024, 13:25 IST Share ...

1 Background The increasing prevalence of refractive errors (REs) has become a major public health concern, posing a significant threat to vision due to the potential for sight-threatening ...

Written by: Manali Momaya Updated at: Mar 12, 2024 16:10 IST ...