RECORDINGS OF APPLANATING FORCE AT CONSTANT INTRAOCULAR PRESSURE

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Abstract
An apparatus designed for continuous recording of applanating force at constant intraocular pressure is described. The applanating surface is a wall of a pressure chamber, the central aperture of which is covered with a flexible membrane. A pressure difference between the eye and the pressure chamber is indicated by a curvature of this membrane. An electric signal indicating the degree of curvature of the membrane controls the applanating force. Calibration studies on enucleated human eyes of the relationship between the intraocular pressure and the pressure in the pressure chamber are performed. The results and methodological errors are discussed with regard to possible future use of the apparatus in experiments on living human eyes.

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