Long Beach, California - In the ever-evolving landscape of laser vision correction, determining whether a patient is a candidate for LASIK has become increasingly nuanced. Lucent ...

That's for a doctor to determine. Astigmatism is measured in diopters, like -1.00 or -2.00, to show how uneven the curve of your eye is. The higher the number, the more correction you need to ...

[6] For these reasons ... and as long in clock hours as the cornea is steep in diopters by simulated keratometry. For asymmetric bow tie astigmatism, in which the axis of astigmatism is constant ...