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The effect of age on the penetration of fluorescein into the human eye
1Department of Ophthalmology, Stanford Medical School, California.
Abstract:
The penetration into the eye of fluorescein from a normal drop was found to increase with age and averaged twelve times more in the elderly than in the young. Examination of the literature suggests that this is a result of a greater contact time with the cornea rather than a rise in epithelial permeability.