The influence of corneal asphericity on postoperative refractive outcomes has been largely overlooked compared with effective lens position, refraction and axial length, the study authors said.

An IOL power calculation formula based on optical coherence tomography equaled conventional methods in cataract patients without previous laser vision correction, a study showed. "This new formula is ...

Refraction is the change in direction of light when it passes from one medium to another. The working of a lens is based on the refraction of light when they pass through it. Lens is a transparent ...

A comparative study was conducted from August 2005 to May 2008, at Hospital Universiti Sains Malaysia and Hospital Raja Perempuan Zainab II, Kelantan, Malaysia. The sample size was calculated using ...

Strabismus, amblyopia, and refractive errors in Singaporean preschoolers (STARS) is a cross-sectional population-based study of 3009 Chinese children aged 6–72 months conducted between June 2006 and ...