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Negative-lens field expander for patients with concentric field constriction
J. M. Kozlowski, M. A. Mainster and M. P. Avila
An oversized, negative-power spectacle lens may be used as a field expander
to improve mobility and general orientation ability of patients with
peripheral field loss but intact central vision. The device is inexpensive
and simple to use for brief spotting periods.
THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES
Eye Movements of Patients with Tunnel Vision While Walking
Vargas-Martin and Peli IOVS 2006;47:5295-5302. ABSTRACT
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