Clinical evaluation of FDA approved toric hydrophilic soft contact lenses (Part I)

Remba, M.J.

Journal of the American Optometric Association 50(3): 289-293

1979


ISSN/ISBN: 0003-0244
PMID: 448006
Document Number: 147396
Three toric hydrogel contact lenses have been approved by the FDA, Durasoft TT, Hydromarc, and Hydrocurve II. These all incorporate prism ballast as the major axis stabilizing feature, but differ in diameter and placement of the cylinder. Correct cylinder axis positioning and maintenance of meridional stability are essential to fitting success.

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