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To determine if, and at what point, glaucoma affects spoken reading speed.

Data were collected from the Salisbury Eye Evaluation, a population-based evaluation of visual function and disability in the elderly population. Nonscrolling text was displayed on a screen and the rate words were read aloud was measured. Subjects reading slower than 90 words/min were defined as having impairment. Glaucoma status was determined using optic disc appearance and visual field testing.

One thousand one hundred fifty-four subjects completed evaluations of spoken reading speed and glaucoma status. Univariate analysis demonstrated reading impairment in 16.0% of subjects without glaucoma, 21.1% of subjects with unilateral glaucoma (P = .25), and 28.4% of subjects with bilateral glaucoma (P = .006). Multivariable regression demonstrated nonsignificant increases in the odds of reading …