Sasan Moghimi1, Mehdi Mazloumi2, MohammadKarim Johari2, Parisa Abdi2, Ghasem Fakhraie2, Massood Mohammadi2, Reza Zarei2, Yadollah Eslami2, Masoud A Fard2, Shan C Lin3. 1. Eye Research Center Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran 2Koret Vision Center, University of California, San Francisco Medical School, San Francisco, California, United States. 2. Eye Research Center Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran. 3. Koret Vision Center, University of California, San Francisco Medical School, San Francisco, California, United States.
Abstract
PURPOSE: To evaluate the lamina cribrosa (LC) and peripapillary choroid in patients with pseudoexfoliation syndrome (PXS). METHODS: In this cross-sectional study, one eye each of 32 nonglaucomatous PXS cases and 29 healthy volunteers were enrolled. The optic discs were scanned using enhanced depth imaging spectral-domain optical coherence tomography, and measurements were obtained using HEYEX software 6.0. LC and other related variables at three areas (mid-superior, center, and mid-inferior) and peripapillary choroidal thickness were determined. Linear mixed modeling was used to adjust the variables. RESULTS: After adjustment for age, sex, and axial length, there was no significant difference between the two groups in peripapillary choroidal thickness or in retinal nerve fiber layer thickness. The LC was significantly thinner in all three areas in the PXS group when compared with the control group, even after adjustment. Although no significant difference in central laminar depth was observed between the two groups (P = 0.74), the superior and inferior laminar depth were significantly deeper in the PXS group when compared with the control group (P = 0.04 and P = 0.006, respectively). Although there was a significant negative association between age and central choroidal thickness in the control group (β = -2.820, P = 0.02), this correlation was not significant in the PXS group. CONCLUSIONS: We found that LC is significantly thinner in all three areas of the optic nerve head in nonglaucomatous PXS patients than in controls. Although no significant difference in peripapillary choroidal thickness was observed between the two groups, peripheral posterior displacement of LC in nonglaucomatous PXS eyes was noted.
PURPOSE: To evaluate the lamina cribrosa (LC) and peripapillary choroid in patients with pseudoexfoliation syndrome (PXS). METHODS: In this cross-sectional study, one eye each of 32 nonglaucomatous PXS cases and 29 healthy volunteers were enrolled. The optic discs were scanned using enhanced depth imaging spectral-domain optical coherence tomography, and measurements were obtained using HEYEX software 6.0. LC and other related variables at three areas (mid-superior, center, and mid-inferior) and peripapillary choroidal thickness were determined. Linear mixed modeling was used to adjust the variables. RESULTS: After adjustment for age, sex, and axial length, there was no significant difference between the two groups in peripapillary choroidal thickness or in retinal nerve fiber layer thickness. The LC was significantly thinner in all three areas in the PXS group when compared with the control group, even after adjustment. Although no significant difference in central laminar depth was observed between the two groups (P = 0.74), the superior and inferior laminar depth were significantly deeper in the PXS group when compared with the control group (P = 0.04 and P = 0.006, respectively). Although there was a significant negative association between age and central choroidal thickness in the control group (β = -2.820, P = 0.02), this correlation was not significant in the PXS group. CONCLUSIONS: We found that LC is significantly thinner in all three areas of the optic nerve head in nonglaucomatous PXS patients than in controls. Although no significant difference in peripapillary choroidal thickness was observed between the two groups, peripheral posterior displacement of LC in nonglaucomatous PXS eyes was noted.
Authors: Brandon J Wong; Sasan Moghimi; Linda M Zangwill; Mark Christopher; Akram Belghith; Eren Ekici; Christopher Bowd; Massimo A Fazio; Christopher A Girkin; Robert N Weinreb Journal: Am J Ophthalmol Date: 2019-11-23 Impact factor: 5.258
Authors: Sasan Moghimi; Linda M Zangwill; Patricia Isabel C Manalastas; Min Hee Suh; Rafaella C Penteado; Huiyuan Hou; Kyle Hasenstab; Elham Ghahari; Christopher Bowd; Robert N Weinreb Journal: JAMA Ophthalmol Date: 2019-04-01 Impact factor: 7.389