In patients who previously underwent refractive surgery or corneal inlay implantation, the small-aperture IC-8 Apthera IOL ...

Zenlens custom scleral contact lenses improved visual acuity and yielded more than 11 hours of comfortable wearing time, ...

Abstract Despite the continuing success of refractive surgery, contact lenses are still required after surgery in some patients with postoperative regression or astigmatism to optimize their ...

The fitting criteria, such as apical clearance, bearing zones, lens centration, and lens movement of the trial lenses, can be assessed with relative accuracy if 10 to 20 minutes are allowed before ...

This letter proposes an ultrawideband and high-gain antipodal tapered slot antenna (ATSA) with a gradient refractive index (GRIN) lens. The GRIN lens consisting six metamaterial lenses is placed in ...

The Laowa 15mm f/4.5 0.5x Macro is a lens that can deliver extreme close-ups of small objects, set against the context of their surroundings ...

Misalignment greater than 30° may increase postoperative refractive cylinder. If necessary, lens repositioning should occur as early as possible, prior to lens encapsulation.

Dr. Greg Moloney, MBBS, BSC MED, MMED, FRCSC, Ophthalmologist, explains what cataracts are and how they are corrected with intraocular lens surgery (IOL). Arnold Schwarzenegger: Net zero is bogus ...

These procedures include cataract surgery, age-related macular degeneration and glaucoma treatments, refractive lens replacement, and laser eye surgery. 1 “Optegra’s evolution under MidEuropa’s ...

The new Leica lens is also heavier than the Sigma offering, highlighting at least a difference in external construction. That said, it's still quite compact and lightweight. It's lighter than the ...

The sensible and refined X100VI alternativeTrust me, the X-E5 is a 'proper' photographer’s camera, ideal for travel, reportage and street photography. With the new lens, it costs $1,899 / £ ...

You may like Fujifilm X-E5 sample gallery: hands-on with Fujifilm's compact interchangeable lens rangefinder The Fujifilm X-E5 price is more than 50 percent higher than the X-E4, but the features are ...