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 ...

Refractive lens exchange is becoming more popular as lens technology progresses, according to a speaker at Hawaiian Eye 2025.

The condition can be treated with only intracorneal ring segments, penetrating keratoplasty, or RGP contact lenses. Nevertheless, patients with keratectasia after refractive surgery are often not ...

Lenses are usually made from glass or plastic ... from the normal – a line at 90° to the refracting surface. It is refraction that makes some objects appear to bend when they are viewed ...

Sonia H. Yoo, MD, a cornea, cataract, and refractive surgery specialist and a member of the planning committee for the ...

OM System has rebodied its popular 34mm and 50mm equivalent F1.8 primes, adding IPX1 moisture resistance to both, but with the loss of the 17mm's metal focus clutch.

X-ray optics is a specialized field that focuses on the manipulation and control of X-ray beams using various optical components, including refractive lenses. Recent advancements in this area have ...

Modern lifestyles, frequent prescription updates, and continuous lens enhancements drive Japan’s spectacle lens market, promoting specialized designs, robust distribution networks, and progressive ...

it also supports the optimization of the design of contact lenses, refractive surgery procedures and artificial intraocular lenses, for example. High-resolution retinal imaging based on adaptive ...

When it comes to lens options, "many people worry that they might be giving the 'wrong' answer," the optometrist told Newsweek.

The Huvitz HDR-9000 is a slim, curvilinear, wireless device that provides quiet, quick lens loading as well as accurate data ...