1. 1. Willis RM Folberg R Krachmer JH et al: The treatment of aqueous deficient dry eye with removable punctal plugs. Ophthalmology 1985; 94:514-518.
2. 2. Freeman JM: The punctum plug: Evaluation of the new treatment for the dry eye. Transactions of the American Academy of Ophthalmology & Otolaryngology 1975; 79:OP874-879.
3. 3. Records RE: Conjunctiva and lacrimal system in: Duane TD Jaeger EA (eds): Biomedical Foundations of Ophthalmology Philadelphia Harper & Row 1986 p 14.
4. The opinions or assertions contained herein are the private views of the authors and are not to be construed as reflecting the views of the Department of the Army or the Department of the Defense.
5. The authors have no proprietary interest in Eagle Vision or Freeman Punctal Plugs.