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  • Title: Incidence of central edema and peripheral staining as a function of contact lens fitting philosophy.
    Author: Brannen RD.
    Journal: J Am Optom Assoc; 1977 Mar; 48(3):391-5. PubMed ID: 68047.
    Abstract:
    A study of three hundred and fifty-two patients (700 eyes) was undertaken to determine the relationship (if any) between abnormal corneal physiology and methods of fitting hard contact lenses. This was divided into two categories of slit-lamp findings, i.e., central edema or central corneal clouding (ccc), and peripheral (3/9) staining. The categories of lens fitting methods were broken down into (a) alignment, (b) steep and (c) flat. The results and relationships are reported.
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