Int Ophthalmol (2018) 38:1103–1110 https://doi.org/10.1007/s10792-017-0566-7 ORIGINAL PAPER Correlation between different Scheimpﬂug-based lens densitometry analysis and effective phacoemulsiﬁcation time in mild nuclear cataracts . . . . Fernando Faria-Correia Bernardo Lopes Tiago Monteiro Nuno Franqueira Renato Ambro´sio Jr. Received: 18 October 2016 / Accepted: 15 May 2017 / Published online: 26 May 2017 Springer Science+Business Media Dordrecht 2017 Purpose To assess the correlations between preop- and region of interest (ROI) methods, which are erative Scheimpﬂug-based lens densitometry and displayed on an absolute scale (from 0 to 100%). EPT effective phacoemulsiﬁcation time (EPT) in age- was calculated for the cataract surgery, which was related nuclear cataracts. performed by the same surgeon. Correlations between Design Retrospective consecutive study. lens densitometry variables and EPT were determined Methods The setting was the Ophthalmology Depart- using Pearson or Spearman correlation coefﬁcients ment, Hospital de Braga, Portugal. The study popula- according to data normality. tion included 50 eyes (42 patients) with age-related Results There were signiﬁcant correlations between nuclear cataracts submitted to uneventful phacoemul- EPT and average density and maximum density siﬁcation surgery. Different analysis methods of variables derived from the 3D (r = 0.596, Scheimpﬂug-based lens densitometry were performed: p \ 0.001; r = 0.632,
International Ophthalmology – Springer Journals
Published: May 26, 2017
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