[I have tested it for you....the Smartlens].
The SmartLens tonometer (ODC, Zurich, Switzerland) is a contact lens that allows continuous measurement of intraocular pressure (IOP), in addition to estimating pulse amplitude. IOP measurements taken with the Smartlens tonometer showed a good correlation with Goldmann tonometry. Nevertheless, there was a mean difference of 3.5 mmHg (p<0.01) in intraocular pressure between the two methods, with a significant overestimation by Smartlens tonometry compared with Goldmann tonometry in normal individuals. Preliminary results demonstrated that IOP measurements are not statistically affected by the thinning of the cornea induced by LASIK surgery.
Denis
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Service d'ophtalmologie, Hôpital Edouard-Herriot, 5, place d'Arsonval, 69437 Lyon Cedex 03, France.
D003261:Contact Lenses; D004867:Equipment Design; D006801:Humans; D014065:Tonometry, Ocular / Q000295:instrumentation*