Please provide your email address to receive an email when new articles are posted on . Refractive surgery rates have seen a steady increase since the reopening of ophthalmic surgery centers during ...

Scientists have used Jamin–Lebedeff interference microscopy to measure the refractive index of strongly pigmented biological tissue. Doekele Stavenga and co-workers from the University of Groningen in ...

Evidence-based recommendations on intraocular lens insertion for correction of refractive error, with preservation of the natural lens. This involves inserting an artificial lens inserted into the eye ...

A refractive disorder is an ocular condition caused by changes in the shape of the eye, which prevents light from being focused sharply on the retina, creating unclear images. The causes may range ...

Different IOL calculators provided similar results in patients with a history of LASIK surgery, according to a study ...

FDA approvals in 2025 introduced novel therapies and devices across ophthalmic subspecialties, emphasizing sustained efficacy ...

Astigmatism (uh-STIG-muh-tiz-um) is a type of refractive error where one or more of the eye’s surfaces are not smooth and/or ...

Researchers in Korea have created a new metamaterial with the most extreme positive index of refraction yet – a whopping 38.6. The metamaterial operates at terahertz frequencies and the team believes ...

Refractive errors are common eye issues that can cause blurry or distorted vision. Treatment usually involves wearing glasses or contact lenses or getting procedures ...

Current evidence suggests that photorefractive (laser) surgery for the correction of refractive errors is safe and efficacious for use in appropriately selected patients. Clinicians undertaking ...

The speed of light is determined by the medium (material) through which the light is travelling. Light travels faster in a vacuum than it does in any other medium. Light changes speed as it passes ...