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    By Nikhil Choudhari, DNB
    Annual Meeting 2011
    Comprehensive Ophthalmology, Glaucoma

    Calibration error with the Goldmann applanation tonometer is more common than expected. A majority of faulty instruments may simply require lubrication of their component parts. This video demonstrates practical techniques the ophthalmologist and technician can use for maintaining the Haag-Streit applanation tonometer.