Contact lenses range from simple to extremely complex. Some patients have streamlined prescriptions, and we use spherical soft lenses to correct their vision. Other patients have slight astigmatism and require us to switch over to a toric lens. Modern toric lenses are far more complex and correct vision far easier, which to some means that they are less custom.

READ more: https://www.clspectrum.com/issues/2017/september-2017/contact-lens-practice-pearls