CataractCoach™ 1863: technique of using piggyback IOLs

Piggyback IOL refers to a second IOL that is placed in the eye so that there are now two lens implants. Usually the first IOL is placed in the capsular bag and then at a later date the piggyback IOL is a three-piece design that is placed in the ciliary sulcus. This is helpful in cases where there is a hyperopic refractive surprise. The calculation of the piggyback IOL power is based on the refraction with about 1.5x the power needed for the IOL as compared to the refraction spherical equivalent. For example if the desired correction is +2 diopters, then the piggyback IOL with a power of +3 diopters is placed in the sulcus.

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