Limbal Relaxing Incisions (LRIs)

There are times when a Toric Monofocal IOL would overcorrect the amount of astigmatism in the eye, but there is enough astigmatism that if uncorrected, glasses would be needed. In this situation an LRI in combination with a non-toric IOL (monofocal, EDOF, multifocal or trifocal non-torics) may be the best choice. Computerized calculations using the measurements of your eye help determine whether LRIs or a Toric IOL will give the best result. LRIs are microscopic incisions made in the cornea to change its shape and thereby reduce astigmatism. They are not perfect, as every eye heals differently, so there can be a small amount of astigmatism remaining after LRIs. Nonetheless, vision without glasses should be significantly better if astigmatism is treated and residual astigmatism is usually minimal.