FIELD: ophthalmology.
SUBSTANCE: eye mounted device includes electrochemical sensor, which is embedded inside polymer material made with possibility of being installed on eye surface. Electrochemical sensor includes working electrode, comparison electrode and reagent, which selectively reacts with analyte to generate measurements associated with concentration of analyte in fluid medium, which affects eye mounted device. Working electrode may have at least one size less than 25 mcm. Comparison electrode may have at least five times larger area, than area of working electrode. Part of polymer material can enclose working electrode and comparison electrode so, that electric current, transmitted between working electrode and comparison electrode, passes through this at least partially enclosing part of transparent polymer material.
EFFECT: microelectrodes for ophthalmic electrochemical sensor are disclosed.
22 cl, 7 dwg
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