Cover for a probe of a contact ophthalmological apparatus

A disposable article of manufacture dimensioned to cover a tip of a probe of a contact ophthalmological instrument, the article comprising:

• a flexible thin film tubular body having an open and a closed end, a tip portion defining the closed end of the body, and a wall portion connecting the closed end with the open end,
• wherein the tip portion includes a first central area that has an inner surface and an outer surface, the outer surface being concave,
• wherein said article is configured to create a barrier, when installed onto the probe tip, to transfer of microorganism between an eye of a patient and the tip of a probe of the contact instrument during a contact ophthalmological examination while not impeding a measurement of a target parameter of the eye through said cover.