Évaluation de la rotation des lentilles cornéennes rigides a courbure torique interne

M. Lapierre; C. Giasson; M. Steben

doi:10.65636/cjo.v53i2.7128

Authors

M. Lapierre
C. Giasson
M. Steben

DOI:

https://doi.org/10.65636/cjo.v53i2.7128

Keywords:

contact lenses, astigmatism, toric base curve, toric base curve rotation

Abstract

Minimizing lens rotation of the toric base curve is very important to maintain a good visual acuity. This study evaluates eight astigmatic corneas fitted with five different toric base curve designs: 2/3 and 4/3 corneal tority. 1D flatter and 1D steeper than the two corneal meridians.

The results demonstrate that steeper lenses show less rotation and that the superior lid and corneal topography will affect behaviour of that kindof lens.

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