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
This publication summarizes present figuring out of the clinical, medical, and technical matters surrounding using touch lenses. It discusses the targeted occupational stipulations skilled through army team of workers, rather in severe environments, that supply upward thrust 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 companies supply examples of exact occasions in aerospace settings. "Considerations in touch Lens Use below antagonistic stipulations" could be of specific curiosity to these keen on the layout of touch lenses, and people chargeable for occupational security and overall healthiness concerns within the deepest quarter.
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DISCUSSION Earlier research efforts have not been able to document a coordinated picture of the corneal energy metabolite distribution pattern because of a limitation of bulk extraction methods: essentially only one assay can be performed per cornea. The microfluorometric technique permits numerous assay repetitions per cornea. Regional assays can be performed as well, allowing separate determinations of epithelial, stromal, and endothelial metabolite levels. Epithelial data are presented in bar-chart format in Figure 1 to illustrate the interrelationship between metabolites in the normal rabbit cornea.
Html HYPOXIA 19 is highly dependent on aerobic metabolism to satisfy the energy demands of its pumping mechanism. , 1972). The corneal epithelium, which is highly mitotic, is also very dependent on aerobic metabolism to meet its energy demands. Its primary supply of oxygen is from the atmosphere. , 1984), as frequently occurs during contact lens wear, the cornea becomes hypoxic and its epithelial cells begin to respire anaerobically. When this occurs, the corneal stroma becomes edematous (swells).
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