International journal of ophthalmology · 2017
Diurnal macular choroidal area fluctuation in normal and primary open angle glaucoma groups.
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Li Mu, Guo Jin-Min, Xu Xiao-Lan, Wang Jun-Ming
Аннотация
AIM: To assess and compare the diurnal macular choroidal area fluctuation in normal and primary open angle glaucoma (POAG) groups using enhanced depth imaging optical coherence tomography (EDI-OCT).
METHODS: Twenty-eight normal and 27 POAG eyes were enrolled in this study. EDI-OCT was used to measure the macular choroidal area every 3h from 9:00 a.m. to 21:00 p.m.
RESULTS: Significant diurnal fluctuations of macular choroidal area were observed in both normal (P=0.003) and POAG groups (P<0.001). But no significant macular choroidal area difference has been found between the two groups at all the five measurement time-points (512778±166242 vs 455079±207278 µm2, P=0.195 at 9:00 a.m.; 501526±168953 vs 447846±211147 µm2, P=0.245 at 12:00 a.m.; 501982±173158 vs 448024±206653 µm2, P=0.239 at 15:00 p.m.; 508912±174589 vs 457783±207081 µm2, P=0.252 at 18:00 p.m.; 503787±171241 vs 453230±205955 µm2, P=0.274 at 21:00 p.m.; respectively). Furthermore, neither the fluctuation manners nor the change in macular choroidal area between the two adjacent measurement time points showed significant difference between normal and POAG groups (all P>0.05). In the meantime, significant diurnal intraocular pressure fluctuations were also observed in normal and POAG groups (both P<0.001).
CONCLUSION: In diurnal time, the macular choroidal area in both normal and POAG groups fluctuated significantly; moreover, neither the value of macular choroidal area, nor the fluctuation of macular choroidal area in POAG group is significantly different from that in normal group.
METHODS: Twenty-eight normal and 27 POAG eyes were enrolled in this study. EDI-OCT was used to measure the macular choroidal area every 3h from 9:00 a.m. to 21:00 p.m.
RESULTS: Significant diurnal fluctuations of macular choroidal area were observed in both normal (P=0.003) and POAG groups (P<0.001). But no significant macular choroidal area difference has been found between the two groups at all the five measurement time-points (512778±166242 vs 455079±207278 µm2, P=0.195 at 9:00 a.m.; 501526±168953 vs 447846±211147 µm2, P=0.245 at 12:00 a.m.; 501982±173158 vs 448024±206653 µm2, P=0.239 at 15:00 p.m.; 508912±174589 vs 457783±207081 µm2, P=0.252 at 18:00 p.m.; 503787±171241 vs 453230±205955 µm2, P=0.274 at 21:00 p.m.; respectively). Furthermore, neither the fluctuation manners nor the change in macular choroidal area between the two adjacent measurement time points showed significant difference between normal and POAG groups (all P>0.05). In the meantime, significant diurnal intraocular pressure fluctuations were also observed in normal and POAG groups (both P<0.001).
CONCLUSION: In diurnal time, the macular choroidal area in both normal and POAG groups fluctuated significantly; moreover, neither the value of macular choroidal area, nor the fluctuation of macular choroidal area in POAG group is significantly different from that in normal group.