In this interview from the 2013 Annual Meeting, Dr. Elizabeth Yeu talks with Dr. Douglas Koch about how to improve visual outcomes with toric IOLs by measuring the posterior corneal surface. Dr. Koch has developed a nomogram that takes into account the average posterior corneal astigmatism in with-the-rule and against-the-rule astigmatism.  The conversation offers additional surgical tips and considers the benefits of femtosecond laser for creating peripheral corneal relaxing incisions.