Pupil Size Independence with Multifocal Contact Lenses: Fact or Fiction? (Iberi…

Key Points:

Multifocal (MF) contact lenses are designed to provide functional vision to presbyopic patients of different ages, refractive errors and pupil sizes
Pupil size decreases slightly with age; however, the correlation is weak and there is substantial variation among individuals
There is no clinically significant relationship between pupil size and refractive error
Neither age nor refractive error are relevant with respect to multifocal optic zone designs
A recent study showed that Alcon multifocal contact lenses are pupil size independent and demonstrated that pupil size did not affect the number of lenses required for a proper lens fitting or visual performance

$SS-OCT biometers using the Sum-of-Segments method versus using the Mean Group Refractive Index to measure axial length – how does it affect IOL power calculations?$

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SS-OCT biometers using the Sum-of-Segments method versus using the Mean Group Refractive Index to measure axial length – how does it affect IOL power calculations?

Pupil Size Independence with Multifocal Contact Lenses: Fact or Fiction? (Iberia)

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SS-OCT biometers using the Sum-of-Segments method versus using the Mean Group Refractive Index to measure axial length – how does it affect IOL power calculations?