An extended range of powers for MiyoSmart spectacles lenses has been launched by Hoya and designed for children living with ...

For instance, the VISX Star S4 custom laser in situ keratomileusis (LASIK) labeling allows for 3 D of myopic or 2.75 D of hyperopic astigmatism cylindrical correction and 5.75 D of mixed ...

Pathophysiologically, astigmatism results from asymmetry, typically in the anterior cornea, but it can also be caused by the posterior cornea or lens. [1] The asymmetry means that light is focused ...

“At Moorfields they anaesthetised my eyeball, and then the spike came in on to the lens to see if it worked [...] It was so surreal. Losing my sight is my worst thing, and I can feel it getting worse.