What does this research mean for the field?

Ultra-thin Bausch & Lomb Soflens (polymacon) contact lenses induce significantly less corneal edema in hard-to-fit patients compared to standard-thickness lenses. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To evaluate the corneal edema response in hard-to-fit patients using ultra-thin contact lenses compared to standard thickness lenses.

March 21, 2026

Corneal‐Thickness Response to Ultra‐Thin Bausch & Lomb Soflens® (Polymacon) Contact Lenses

Key Points

To evaluate the corneal edema response in hard-to-fit patients using ultra-thin contact lenses compared to standard thickness lenses.
Measured corneal thickness changes over 6 hours of lens wear
Used electronic pachometry to monitor corneal edema
Compared responses between hard-to-fit patients and those fitted with standard lenses
Hard-to-fit patients experienced significantly less corneal edema with ultra-thin lenses
Standard-thickness lenses resulted in more corneal edema in the successful patient group

Abstract

ABSTRACT A study was conducted to test the hypothesis that a more favorable corneal‐edema response for hard‐to‐fit patients might be expected from ultra‐thin Bausch & Lomb Soflens® (polymacon) contact lenses than from standard‐thickness lenses because of the additional oxygen reportedly available to the cornea. Corneal edema was monitored by measuring changes in corneal thickness over 6 hr of lens wear with an electronic pachometry assembly. Statistical analysis showed significantly less edema for a group of hard‐to‐fit patients wearing ultra‐thin lenses than for a group of successful patients fitted with standard‐thickness lenses.

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