Intraocular Pressure By Noncontact Tonometry With And Without Soft Contact Lenses.

In some instances it is advantageous, both to the patient and doctor, to measure intraocular pressure (IOP) without removing soft contact lenses. This study examines the accuracy of IOP measurements taken by a Reichert AT550 non-contact tonometer on eyes wearing soft contact lenses. Lenses of various powers were included in the study to determine if differences in lens thickness resulted in a variation of IOP measurement. It was shown that reliable IOP readings can be obtained through soft contact lenses regardless of the lens power.