a common complication of cataract surgery is posterior capsule opacification (PCO), also known as a “secondary cataract.” It occurs when the back of the lens capsule (which holds the new IOL in place) ...

Related: Best telescopes for beginners A Galilean telescope is, in essence, a tube with two lenses placed at either end. The eyepiece is a plano-concave lens, which is flat on one side and curved ...

Because a rigid gas-permeable lens is hard, it might not be comfortable for some people. With a hybrid contact lens design, the crisp optics of a hard lens is provided with the center rigid lens. The ...

Executive Editor David Carnoy has been a leading member of CNET's Reviews team since 2000. He covers the gamut of gadgets and is a notable reviewer of mobile accessories and portable audio ...

Sharp object trauma might jeopardise ocular integrity, whilst blunt force strikes can cause elevated pressure, perhaps resulting in temporary or permanent visual impairments. In the event of an eye ...

Although VA testing and slit-lamp findings, together with the patient's complaints, are usually the only parameters that lead to the decision as to whether a patient needs cataract surgery or not ...

For the first time, the British Thoracic Society (BTS), National Institute for Health and Care Excellence (NICE) and the Scottish Intercollegiate Guidelines Network (SIGN) have collaborated to develop ...

and a new lens is placed. Laser cataract surgery can also simultaneously correct an eye condition called astigmatism. There are multiple options for lenses. The most widely used are fixed-focus ...

No matter (or not?), the capital club did not give in and validated a new success. With this victory (1-0), Paris Saint-Germain consolidates its first place and takes six steps ahead of AS Monaco.

BERLIN — Technological advancements and the development of intraocular lenses (IOLs) have significantly improved the care of patients with cataracts ... seem to place more value on their ...