A cover and packaging and method for use in preventing infection in applanation tonometry eye testing. The cover has a circular lens portion, a frustum shaped mounting portion and a frustum shaped handling flange. It is sterile, disposable, unitarily dispensable, and fits onto existing standard applanation...http://www.google.es/patents/US5113863?utm_source=gb-gplus-sharePatente US5113863 - Disposable ocular diagnosis device and method
