A group of physicists from the University of Ottawa and the National Research Council of Canada found something intriguing and revolutionising referred to as “negative-time refraction” in photons.

Alex Hacopian, MD, highlights how a recent ambispective study demonstrated strong visual acuity outcomes and patient ...

Brett Bielory, MD, discusses his poster at the ASCRS annual meeting, which focuses on an under-diagnosed corneal pathology: neurotrophic keratitis.

Learning to deal with complicated cases and difficult situations, whether predictable or completely unexpected, is an important part of the skill set of a surgeon.The needed tools are not only ...

Using only a PET bottle installed on the roof, filled with water and bleach, he harnessed the refraction of sunlight ... or mist releases negative ions into the air. This occurs because, upon ...

There was a negative correlation between the maximum hyperopic change of an eye and baseline value of refraction (p<0.01). During transient hyperopia, no significant changes were observed in the ...

It is recommended for electrical engineers, as well as physicists and optical engineers, with an interest in practical negative refractive index structures and materials. A not-for-profit organization ...

No statistical differences were observed in CR for different refractive groups. As can be seen from figure 2, SE was negatively correlated with AL, ACD and LP. There was a significant negative ...

Correspondence to Dr Julia V. Stingl, Department of Ophthalmology, Johannes Gutenberg Universitat Universitätsmedizin Universitäts-Augenklinik Mainz, Mainz 55131, Germany; ...

The Tecnis Eyhance IOL yielded positive visual and refractive outcomes in patients with myopia who underwent previous LASIK, ...