We are a professional enterprise in supplying replacement prism for applanation tonometer. Optometry experts from abroad and home try their best to develop our technology constantly. So we always maintain strict confidentiality from our clients. Our tonometer prism will sure make your data exact and save your money from expensive competition.
Our tonometer prism is standard accessory for applanation tonometer that is designed on the basis of Goldman tonometer. (Such as Burton relating series and Keeler relating series) 
Our own slit lamp series with applanation tonometer has CE certificate issued by DNV.