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Course Description
This course will look at how errors in our workflow and decision-making lead to refractive surprises after cataract surgery. We will review how biometers measure the various indices, and then showcase examples in which measurement errors occurred and resulted in refractive surprises as high as 8 diopters! We will also make clear how choice of keratometry (standard versus total/measured) or formula can also lead to refractive surprise.
Educational Objective
Learners will understand 1) how the various biometric indices are physically measured, 2) how to systematically review output from an optical biometer for measurement errors and compensate for them, 3) when formula choice might still matter.
This course will look at how errors in our workflow and decision-making lead to refractive surprises after cataract surgery. We will review how biometers measure the various indices, and then showcase examples in which measurement errors occurred and resulted in refractive surprises as high as 8 diopters! We will also make clear how choice of keratometry (standard versus total/measured) or formula can also lead to refractive surprise.
Educational Objective
Learners will understand 1) how the various biometric indices are physically measured, 2) how to systematically review output from an optical biometer for measurement errors and compensate for them, 3) when formula choice might still matter.
2025 ASCRS Annual Meeting Instructional Courses
This 1.5 hour Instructional Course was recorded at the 2025 ASCRS Annual Meeting in Los Angeles, CA, April 25-28, 2025.
