A fairly prevalent vision disorder that results from an irregularly shaped cornea or lens is astigmatism, which causes hazy or distorted vision. Choosing between prescription spectacles and ...

today announced the availability of expanded parameters for TOTAL30® for Astigmatism, the first and only monthly replacement Water Gradient toric contact lens,1-3 delivering the same ...

American Century Companies Inc. boosted its stake in shares of The Cooper Companies, Inc. (NASDAQ:COO – Free Report) by 0.9% in the fourth quarter, HoldingsChannel.com reports. The fund owned 45,210 ...

I have confidently helped patients navigate the IOL selection process for both cataract surgery and refractive lens ...

Phakic IOL technologies have undergone substantial improvements in recent years, with progressive upgrades in design and ...

\(power \ of \ a \ lens \ (D) = \frac{1}{focal \ length \ (m)}\) A lens has a power of -3.33 dioptres. Calculate the focal length and state what type of lens it is.

Accelerated changes in the spherical equivalent refraction (SER) and axial length were seen but no changes in the lens power and thickness were seen in pediatric patients.