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EYE PRESSURE MEASUREMENT

Tonometry is the measurement of the Intraocular Pressure (pressure inside the eye). Traditionally, this was done by using a local anaesthetic, resting a weight on the cornea and measuring how much the cornea could be depressed. This works on the principle that the force required to flatten a given area of the cornea is proportional to the pressure inside the eye. This is one of the most important tools in an eye examination used for the early detection of glaucoma. The non contact tonometers we use do not touch the cornea and do not require the use of a local anaesthetic. It gives the measurement using a puff of air, and only filtered air touches the cornea, allowing a quick, effective and repeatable way of measuring the intra-ocular pressure in the least invasive manner.



 
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