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Tune into our blog for specially curated collection of articles across healthcare and ophthalmology, fresh insightful articles to help keep your practice running smoothly


how to check the calibration of your tonometer, plus service and repairs
By: Khalid Abdulla
February 12, 2018

Developed over 50 years ago, goldmann applanation tonometry remains the gold standard for the measurement of intraocular pressure (IOP) to this very day.

The common misconception around goldmann type applanation tonometers is once you have bought your instrument no routine maintenance or calibration checks are required.

Maintenance is only considered necessary when something has wrong for example:

Keeler specialist direct ophthalmoscope
By: Khalid Abdulla
July 12, 2017

A direct ophthalmoscope is the most utilised instrument in an optometrist’s tool chest. It’s used every hour of every working day. In fact, any optometrist will tell you they cannot work without an ophthalmoscope, it would be the equivalent of asking an Olympic swimmer to swim in a pool with no water, it’s simply not possible!

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