Journal of Cataract & Refractive Surgery
Volume 29, Issue 7 , Pages 1319-1322, July 2003

Effect of contact lens wear on central corneal thickness measurements☆

Presented in part at the ASCRS Symposium on Cataract, IOL and Refractive Surgery, Philadelphia, Pennsylvania, USA, June 2002.

  • Dennis A Braun, OD

      Affiliations

    • Gimbel Eye Centre, Calgary, Alberta, Canada
    • ,
  • Ellen E Anderson Penno, MD

      Affiliations

    • Gimbel Eye Centre, Calgary, Alberta, Canada
    • Corresponding Author InformationReprint requests to Ellen E. Anderson Penno, MD, Gimbel Eye Centre, 450, 4935-40 Avenue NW, Calgary, Alberta T3A 2N1, Canada.

Accepted 11 February 2003.

Abstract 

Purpose

To compare central corneal thickness measurements as a function of contact lens wear in patients presenting for refractive surgery.

Setting

Gimbel Eye Centre, Saskatoon, Saskatchewan, Canada.

Methods

A retrospective study of charts yielded 634 eyes meeting the inclusion criterion. Pachymetry measurements of spectacle-wearing control eyes were compared to those of full-time soft contact lens wearers and rigid gas-permeable contact lens wearers. All measurements were taken with the DGH ultrasonic pachymeter by a single observer.

Results

Soft contact lens wearers had a mean reduction in corneal thickness measurements of 22 μm compared to the control population (P = .00001). Rigid gas-permeable lens wearers had a reduction of 24 μm compared to the control population (P = .00001).

Conclusion

There was a clinically significant reduction in corneal thickness measurements associated with full-time contact lens wear.

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☆ Neither author has a financial or proprietary interest in any material or method mentioned.

PII: S0886-3350(03)00230-X

doi:10.1016/S0886-3350(03)00230-X

Journal of Cataract & Refractive Surgery
Volume 29, Issue 7 , Pages 1319-1322, July 2003

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