<title>Method</title> <p>When the applanation tonometry procedure has been completed:</p> <p>Wipe the prism with a clean, dry swab and replace it in the receptacle containing the <bold>disinfectant.</bold></p>
<p>Information was printed inaccurately in the 'How to’ article on applanation tonometry in Issue 64, December 2007. The corrections are shown here in <bold>bold.</bold></p> <title>Preparation</title> <p>Ensure that the prism has been <bold>disinfected</bold> with isopropyl alcohol 70 per cent (methylated spirit) or sodium hypochlorite <bold>1 per cent. The prism must be rinsed in sterile water</bold> and wiped dry with a clean swab (as residue of the disinfectant may cause a caustic burn on the cornea).</p>
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Community Eye Health. 2008 Jun; 21(66):342