TMH (μm)
(mean ± SD)
TMD (μm)
(mean ± SD)
TMA (mm2)
(mean ± SD)
DM control state Well-controlled DM (n=68) 235.13 ± 72.47 149.66 ± 49.31 0.0250 ± 0.013
Poorly controlled DM (n=56) 231.34 ± 86.01 146.57 ± 56.96 0.0240 ± 0.014
p-value* 0.794 0.750 0.695
Duration of DM DM duration <15 years (n=87) 249.28 ± 63.23 160.09 ± 48.28 0.0272 ± 0.013
DM duration ≥15 years (n=37) 196.14 ± 97.49 120.46 ± 52.82 0.0183 ± 0.012
p-value* 0.004 0.000 0.000
History of PRP No history of PRP (n=95) 252.15 ± 64.78 160.91 ± 45.27 0.0273 ± 0.013
Any history of PRP (n=29) 172.07 ± 89.11 106.86 ± 54.81 0.0154 ± 0.011
p-value* 0.000 0.000 0.000
* χ2 test.
TMH: Tear Meniscus Height, TMD: Tear Meniscus Depth, TMA: Tear Meniscus Area, DM: Diabetes Mellitus, PRP: Pan Retinal Photocoagulation.
Table 5: Mean tear meniscus dimensions in the control group and in the subgroups of diabetic patients.