Concave lenses correct myopia by being thin at the centre and thick at the edge. It diverges light rays entering the eye so they focus further back, landing directly on the retina instead of in ...

There are some design variations including using a concave-shaped element that ... re still shooting with a supertelephoto ...

The magnification of the objective lens was set to 20 times ... no abnormal protrusions, no evident concave or granular structure, and the interior structure of the cells was visible, with the ...

Bausch + Lomb issued the recall after the company received reports of toxic anterior segment syndrome, or an inflammatory ...

Bausch + Lomb shares tumbled in intraday trading Friday, a day after the eye-care company announced a "voluntary recall" of some of its intraocular lenses due to safety concerns.

Most cases of TASS can be treated with steroids within a few days, although severe cases can lead to permanent damage to the cornea, the clear, outermost layer of the eye. Severe cases can also lead ...

The TTArtisan 35mm T2.1 is a cinema lens that allows creators to adjust the look of the bokeh from soft to bubble ...

A cataract (cloudy eye lens) blocks light from reaching the retina, which helps the brain process sight. Cataracts develop over time, gradually leading to blurry, hazy vision and affecting daily ...

If you’re new to contact lenses, you may have questions about how to wear and care for them. It may not be as simple as slipping on a pair of eyeglasses. And it may take longer to get used to them.

the team hopes to one day determine if intraocular lenses — surgically implanted permanent lenses that replace the natural eye lens after cataract surgery — may contribute to nanoplastics in the body.