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http://bjo.bmj.com/content/early/201...03236.abstract
Br J Ophthalmol doi:10.1136/bjophthalmol-2013-303236
'The non-invasive tear film break-up time in normal children' Sophie M Jones and Ken K Nischal
Department of Ophthalmology, Great Ormond Street Hospital for Children, London, UK, and UPMC Childrens Eye Center, Childrens Hospital of Pittsburgh of UPMC, Pittsburgh, Pennsylvania, USA
'Thirty-six children (71 eyes) were included (mean age 7.64 years, range 2.16–15.83 years). Mean NITBUT was 21.76±4.06 s (range 14.9–30.95). This is significantly higher in comparison to recent adult studies utilising the tearscope. Twenty-four children allowed tearscope lipid layer interferometry. Eighteen demonstrated grade 1 and six demonstrated grade 2. These grades are within the normal tear film range.'
Br J Ophthalmol doi:10.1136/bjophthalmol-2013-303236
'The non-invasive tear film break-up time in normal children' Sophie M Jones and Ken K Nischal
Department of Ophthalmology, Great Ormond Street Hospital for Children, London, UK, and UPMC Childrens Eye Center, Childrens Hospital of Pittsburgh of UPMC, Pittsburgh, Pennsylvania, USA
'Thirty-six children (71 eyes) were included (mean age 7.64 years, range 2.16–15.83 years). Mean NITBUT was 21.76±4.06 s (range 14.9–30.95). This is significantly higher in comparison to recent adult studies utilising the tearscope. Twenty-four children allowed tearscope lipid layer interferometry. Eighteen demonstrated grade 1 and six demonstrated grade 2. These grades are within the normal tear film range.'