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. 2006 Feb;90(2):229–232. doi: 10.1136/bjo.2005.076711

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Figure 1 Spectral irradiance of the endoilluminators. Absolute spectral irradiance of 20 gauge (A) and 25 gauge (B) endoilluminators evaluated. Note that the spectral irradiance was reduced to approximately 30% of the endoilluminators of the 20 gauge vitrectomy system