Fixation study with bivariate contour ellipse area (BCEA) in different ocular diseases.

Autori: Di Crescenzo C, Valente S, Verboschi F, Salomone M

ABSTRACT

Purpose: To determine the correlation between retinal sensitivity and fixation area , calculated by BCEA , and the change in retinal sensitivity in the various pathologies studied ( Macular Pucker , Degenerative Myopia , Macular Degeneration and Glaucoma ) .

Materials and Methods: We enrolled 47 patients , 28 females and 19 males , aged 61.44 ± 12.32 , for a total of 47 eyes in 13 healthy controls , 12 with macular pucker , 9 with degenerative myopia , 7 with senile macular generation and 6 with glaucoma ; in all patients was carried out using the microperimetry microperimeter MP -1 ( Nidek Technologies ) . We analyzed the normality of the distribution curve of retinal sensitivity test using Curtosi . Statistic significance between the control group and the other groups was evaluated using the Student t test . Spearman's coefficient was calculated for the correlation between retinal sensitivity and fixation area calculated by BCEA in the three standard deviations ( BCEA 1,2,3 respectively).


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