Biomaterial Database

Contact lenses at high altitude: experience on Everest south-west face 1975. 1976

C Clarke

Five members of the British Everest Expedition 1975 were equipped with hydrogel contact lenses. Some clinical observations are made about the performance of these lenses. Two men were able to use them up to an altitude of 24,000 ft, where the ambient oxygen tension is of the order of 55 mmHg.

UI	MeSH Term	Description	Entries
D008297	Male		Males
D009051	Mountaineering	A sport involving mountain climbing techniques.	Mountaineerings
D010100	Oxygen	An element with atomic symbol O, atomic number 8, and atomic weight [15.99903; 15.99977]. It is the most abundant element on earth and essential for respiration.	Dioxygen,Oxygen-16,Oxygen 16
D003263	Contact Lenses, Hydrophilic	Soft, supple contact lenses made of plastic polymers which interact readily with water molecules. Many types are available, including continuous and extended-wear versions, which are gas-permeable and easily sterilized.	Lenses, Contact, Hydrophilic,Soft Contact Lenses,Hydrophilic Contact Lens,Soft Contact Lens,Contact Lens, Hydrophilic,Contact Lens, Soft,Contact Lenses, Soft,Hydrophilic Contact Lenses,Lens, Hydrophilic Contact,Lens, Soft Contact,Lenses, Hydrophilic Contact,Lenses, Soft Contact
D006801	Humans	Members of the species Homo sapiens.	Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000531	Altitude	A vertical distance measured from a known level on the surface of a planet or other celestial body.	Altitudes