Leghemoglobin: different roles for different components?
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Biomedical subjects
Publications and source records attributed to J T Thompson.
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We derived a formula to compare the chord length and scleral arc length, when using calipers to measure the distance for suture placement, during retinal reattachment surgery. The scleral arc length is slightly longer than the chord length (caliper setting). The difference is 0.16 mm (2.0%) for an 8mm caliper setting, 0.31 mm (3.1%) for a 10 mm setting, and 0.74 mm (5.7%) for a 13 mm setting. The difference in the chord and arc length is small, but the surgeon can select a slightly reduced caliper setting, if more precise estimation of the arc length is desired.