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Table 1 Inferior angle anterior chamber angle metrics under two lighting conditions; with the room lights on and off, from two imaging sessions; morning and afternoon imaging, using the TDOCT

From: Effects of diurnal, lighting, and angle-of-incidence variation on anterior segment optical coherence tomography (AS-OCT) angle metrics

 

(LIGHTS)

AOD500 (mm)

AOD750 (mm)

TISA500 (mm2)

TISA750 (mm2)

SS Angle (0)

Morning

IC 270

(ON)

0.48

(0.194-0.776)

0.652

(0.235-1.162)

0.168

(0.079-0.317)

0.309

(0.132-0.558)

42.5

(21.5-57.3)

IC 270

(OFF)

0.417

(0.068-0.704)

0.57

(0.215-0.975)

0.143

(0.061-0.257)

0.266

(0.096-0.454)

38.8

(7.8-54.6)

P-value

 

<0.001

0.001

<0.001

<0.001

<0.001

Afternoon

IC 270

(ON)

0.474

(0.137-0.751)

0.656

(0.092-1.023)

0.188

(0.065-0.462)

0.321

(0.106-0.50)

42.55

(15.6-56.5)

IC 270

(OFF)

0.406

(0.091-0.750)

0.592

(0.184-1.146)

0.139

(0.035-0.249)

0.264

(0.078-0.450)

37.82

(10.3-56.3)

P-value

 

<0.001

0.031

0.002

<0.001

<0.001

  1. Mean (minimum and maximum)
  2. Paired t test
  3. P < 0.05