A review: "a comparison of treated and untreated glaucoma suspects" (4).
This study was conducted to evaluate the effect of long-term intraocular pressure reduction with timolol on the incidence of glaucomatous visual field defects and optic nerve cupping in individuals with ocular hypertension and to compare this incidence with that of a similar group on no treatment.
Vogel
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Dr. R. Vogel at Merck Research Laboratories, 10 Sentry Parkway, Blue Bell, PA 19422, U.S.A.