3
Astigmatism Management/Toric IOLs
Forty percent of respondents to the 2016 ASCRS
Clinical Survey reported that 10 degrees or more
of postoperative rotational error are acceptable
with a toric IOL before visual quality and degra-
dation of visual acuity are significantly affected.
Overall, 46% of physicians use ink marking
with the aid of manual axial instruments (i.e., a
plumb bob) to align the preoperative axis with
the intraoperative axis, but nearly 30% use
anatomical landmarks or ink mark without the
aid of additional instruments.
Topography and automated biometry
(IOLMaster/LENSTAR) are the most common
preoperative measurements that drive axis
decisions when implanting a toric IOL. There
seems to be little consistency among the other
measurement options.
ASCRS 2016 Clinical Survey
