Research investigates oxygen levels for the cornea under contact lenses during blinking, indicating potential comfort issues.
The blinking process supplies oxygen, dissolved in the tears, to the cornea covered by a contact lens. The dimensions of the reservoir, the rate of blinking, and the efficiency of tear replacement under the lens by a blink are factors that govern the availability of oxygen to the cornea.
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Irving Fatt (1969) studied this question.
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