Clinical Study

Diurnal Choroidal Thickness Changes in Normal Eyes of Turkish People Measured by Spectral Domain Optical Coherence Tomography

Table 2

Choroidal thickness in all groups, RE and LE and central macular thickness at 9 AM, 4 PM, and the magnitude of diurnal change.

At 9 AM
Mean (SD)
(range)
At 4 PM
Mean (SD)
(range)
Diurnal change
Mean (SD)
(range)

All eyes, CT, µm308.7 (64.5)308.7 (62)−0.03 (14.7)0.9
(145–496) (140–485) (−55 to 47)
All eyes, CMT, µm271.1 (18.1)271.3 (17)−0.17 (3.02)0.6
(243–328) (244–329) (−8 to 8)
RE CT, µm304.9 (64)305.9 (59)−0.97 (16.6)0.9
(152–444) (150–423) (−55 to 47)
LE CT, µm312.5 (65.4)311.6 (65)0.92 (12.7)0.9
(145–496) (140–485) (−36 to 36)

CT: choroidal thickness, CMT: central macular thickness, RE: right eye, LE: left eye.