What question did this study set out to answer?

This research aims to analyze the decentration of hydrogel contact lenses during wear.

March 21, 2026

Centration and Coverage of Hydrogel Contact Lenses

Key Points

This research aims to analyze the decentration of hydrogel contact lenses during wear.
Studied 14 lenses across 36 eyes of 18 subjects.
Used a biomicroscope with a reticle for measurement.
Compared decentration between AOsoft and Bausch & Lomb Soflens.
AOsoft vault IV lenses showed greater decentration than flatter lenses.
No correlation was found between corneal toricity and lens decentration.

Abstract

Abstract Decentration of the AOsoft lenses and Bausch & Lomb Soflens occurs during wear. The extent of the decentration of 14 lenses or 36 eyes of 1 8 subjects was studied by means of a biomicroscope with a reticle mounted in the ocular. Unexpectedly, for the AOsoft vault IV lens greater decentration occurred than for flatter lenses. Corneal toricity showed no correlation with lens decentration.

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