The Schiotz Tonometer by Riester is a highly precise eye tonometer that measures intra-ocular pressure. It is highly reliable and durable.
The tonometer features high quality agate bearing for a long lasting service life. It features precision measurements on a scale of 0 to 20 subdivisions and 0 to -1 sub-divisions. The scale has a red pointer for perfect readings.
The Schiotz tonometer is made mostly from stainless steel and parts of it are chrome plated. It comes with a black deluxe case with velvet hook inserts. The tonometer also comes with three weights (5.5 g, 7.5 g, 10 g) and a conversion table.
The only difference is #5 with inspection certificate, or #3 without inspection certificate
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- Schiotz A Tonometer- with straight scale, specification 5, polished weights with inspection certificate
- Schiotz B Tonometer- with inclined scale, specification 5 polished weights with inspection certificate
- Schiotz C Tonometer-with inclined scale, specification 3