Download e-book for iPad: Considerations in Contact Lens Use Under Adverse Conditions: by National Research Council, Division of Behavioral and Social

By National Research Council, Division of Behavioral and Social Sciences and Education, Commission on Behavioral and Social Sciences and Education, Committee on Vision, Working Group on Contact Lens Use Under Adverse Conditions, Pamela Ebert Flattau

ISBN-10: 0309044383

ISBN-13: 9780309044387

ISBN-10: 0585143242

ISBN-13: 9780585143248

This booklet summarizes present figuring out of the clinical, medical, and technical matters surrounding using touch lenses. It discusses the distinctive occupational stipulations skilled via army team of workers, fairly in severe environments, that provide upward push to the query of even if to take advantage of touch lenses. specialists in optometry, ophthalmology, visible psychophysics, and engineering describe fresh advancements in layout and use; and representatives of the army prone supply examples of tangible events in aerospace settings. "Considerations involved Lens Use lower than hostile stipulations" can be of specific curiosity to these excited about the layout of touch lenses, and people answerable for occupational defense and wellbeing and fitness concerns within the deepest area.

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Extra resources for Considerations in Contact Lens Use Under Adverse Conditions: Proceedings of a Symposium

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1969). , 1987), paired with the detection of a decrease in stromal pH following contact lens wear (Bonanno and Polse, 1986), indicate CO2 to have the potential of being a significant factor in corneal physiology. While Holden et al. (1987) have tied the issues of carbon dioxide accumulation and tissue pH changes to the endothelial bleb response, it should be remembered that specific enzymatic activity (either by activation or inactivation) can be affected by pH changes. It is possible that an examination of corneal metabolic activity may answer pertinent questions regarding effects of contact lens wear.

The oxygen tension and temperature of the superior palpebral conjunctiva. Acta Ophthalmologica 63:100–103 . F. Sweeney, and G. Sanderson 1984. The minimum precorneal oxygen tension to avoid corneal edema. Investigative Ophthalmology and Visual Science 25(4):476–480 . D. 1981. Stromal lactate accumulation can account for corneal oedema osmotically following epithelial hypoxia in the rabbit. Jo ur nal of Physiology 321: 49–64. , J. K. Hunt 1972. In vivo measurements of oxygen tension in the cornea, aqueous humor, and anterior lens of the open eye.

These are known to be present in tear fluid. The source of these enzymes is not the lacrimal gland but rather the underlying ocular tissues. Thus, tear chemistry can reflect corneal and conjunctival biochemical responses to environmental stresses, including hypoxia and contact lens wear. Copyright © National Academy of Sciences. All rights reserved. About this PDF file: This new digital representation of the original work has been recomposed from XML files created from the original paper book, not from the original typesetting files.

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Considerations in Contact Lens Use Under Adverse Conditions: Proceedings of a Symposium by National Research Council, Division of Behavioral and Social Sciences and Education, Commission on Behavioral and Social Sciences and Education, Committee on Vision, Working Group on Contact Lens Use Under Adverse Conditions, Pamela Ebert Flattau


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