Choose from Light Refraction Beam stock illustrations from iStock. Find high-quality royalty-free vector images that you won't find anywhere else. Video Back Videos home Signature collection ...

Study sees a positive association between the dietary inflammatory index (DII) and non-refractive visual impairment among US ...

Iridescent crystal cube or block with refraction effect of rays in glass. Rainbow clear square box of acrylic or plexiglass in motion with dispersion light on purple background, 3d render animation.

Goldman Sachs analyst Richard Felton upgraded Carl Zeiss Meditec AG (AFX:GR) (OTC: CZMWY), a medical technology company with a $5.2 billion market cap, from Sell to Neutral and increased the price ...

From timeless jewelry to unique home decor, every Swarovski creation radiates a distinctive charm, becoming the perfect finishing touch to modern living. Every Swarovski product embodies meticulous ...

No evidence is seen for loss of treatment effect after discontinuing soft multifocal contact lenses in older teenager ...

A team of international scientists, led by researchers from the University of Otago, has introduced a new method to improve ...

Following the switch from multifocal to single-vision contact lenses, axial elongation increased by 0.03 mm/year, and myopia ...

Contact lens fitting may be adversely influenced by dry eyes, a common side effect of refractive surgery. Appropriate management of tear deficiency is of paramount importance. Corneal topography ...

The optical Kerr effect is a well-known phenomenon in which ... THz pulse generates a refractive index change in the liquid sample. Figure 1: The experimental set-up of Hoffmann et al.