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4 | 2019 ASCRS CLINICAL SURVEY CLINICAL SURVEY 2019 Presbyopia correction Survey participants were asked how they would most likely correct a presbyopia-correcting IOL patient who has –1.75 D of residual refractive error postoperatively and has some vision complaints, with 32.6% indicating that they would use laser vision correction (LASIK), 25.2% indicating they would use IOL exchange or piggyback IOL, and 22.5% indicating they would use laser vision correction (PRK). Respondents also weighed in on the percentage of all cataract cases they plan for mini-monovision rather than performing a presbyopia IOL procedure. The largest percentage (41.7%) said they would use mini-monovision in 5–15%, and 15% was the overall average percent- age of cataract cases planned for mini-monovi- sion. Survey respondents were also asked about the percentage of all cataract cases they plan for "true" monovision, and 48.5% said they plan "true" monovision for 5–15% of all cataract cases rath- er than performing a presbyopia IOL procedure (12% was the overall average percentage of those choosing this option). "It is interesting that if you add the mini-monovision and the monovision cases, they add up to 27% of cataract surgery. So not only is this a very popular option, it is the most common form of presbyopia correction at the time of cataract surgery. This is especially notable since the penetration of presbyopia-correcting IOLs is only about 8% in the United States. "I think piggyback lenses should be separated from an IOL exchange. They are two completely different procedures. These results may also be skewed by whether the physician performs laser vision correction. I would like to know that information and see those procedures broken down more specifically." Kendall Donaldson, MD ASCRS Cataract Clinical Committee IF A PRESBYOPIA-CORRECTING IOL PATIENT HAS –1.75 D OF RESIDUAL REFRACTIVE ERROR POSTOPERATIVELY AND HAS SOME VISION COMPLAINTS, HOW ARE YOU MOST LIKELY TO CORRECT IT? WHAT PERCENTAGE OF ALL CATARACT CASES DO YOU PLAN FOR MINI-MONOVISION, INSTEAD OF PERFORMING A PRESBYOPIA IOL PROCEDURE? (with less than 1.0 D difference between eyes post-surgery)? WHAT PERCENTAGE OF ALL CATARACT CASES DO YOU PLAN FOR "TRUE" MONOVISION, INSTEAD OF PERFORMING A PRESBYOPIA IOL PROCEDURE? (with 1.0 D difference or greater between eyes post-surgery)?

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