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Table 3 Parameters of Schlemm’s canal and trabecular meshwork in the four quadrants of nanophthalmic and normal eyes

From: Morphological features of anterior segment: factors influencing intraocular pressure after cataract surgery in nanophthalmos

   Visibility
(%)a
SC diameter (μm)b SC area
(μm2)b
TM thickness
(μm)b
TM width
(μm)b
TM area
(μm2)b
Nasal Nano 87.5 136.18 ± 29.58 2807.18 ± 945.41 99.20 ± 23.54 502.43 ± 65.75 38,065.32 ± 9882.56
Cont 100 165.11 ± 26.97 4264.03 ± 784.64 133.54 ± 25.11 542.66 ± 45.08 46,887.89 ± 6124.66
P 0.031c < 0.001c < 0.001c < 0.001c 0.006c < 0.001c
Temporal Nano 93.8 147.77 ± 30.19 3086.23 ± 729.26 115.87 ± 33.72 508.03 ± 66.92 41,779.33 ± 10,536.28
Cont 100 173.23 ± 29.14 4417.20 ± 776.42 129.99 ± 26.66 531.23 ± 40.73 45,837.11 ± 6163.98
P 0.133 0.001c < 0.001c 0.066 0.129 0.078
Superior Nano 81.3 142.15 ± 23.95 3095.31 ± 689.14 121.44 ± 34.91 515.38 ± 66.69 41,776.92 ± 6991.90
Cont 100 171.51 ± 25.04 4422.46 ± 888.13 124.54 ± 24.66 547.2 ± 37.40 45,282.17 ± 5921.97
P 0.007c < 0.001c < 0.001c 0.573 0.065 0.067
Inferior Nano 84.4 140.63 ± 31.65 3218.56 ± 901.31 126.46 ± 22.09 516.44 ± 58.51 40,955.81 ± 6291.93
Cont 97.1 172.35 ± 22.91 4545.38 ± 802.46 133.09 ± 20.74 539.91 ± 34.76 48,541.62 ± 4737.57
P 0.068 < 0.001c < 0.001c 0.189 0.058 < 0.001c
Average Nano 86.7 141.16 ± 23.05 3041.94 ± 622.59 115.35 ± 21.77 511.08 ± 46.14 40,701.00 ± 6762.56
Cont 99.3 170.34 ± 15.57 4403.73 ± 616.48 130.45 ± 16.26 538.75 ± 23.62 46,611.91 ± 4075.82
P 0.047c < 0.001c < 0.001c 0.002c 0.006c < 0.001c
ICC Nano NA 0.81 0.96 0.83 0.82 0.72
Cont NA 0.77 0.89 0.80 0.77 0.62
P NA 0.38 0.14 0.49 0.46 0.44
  1. Nano = nanophthalmic group (N = 32), Cont =  control group (N = 35), P =  P value, ICC intraclass correlation coefficient, NA =  not applicable, SC= Schlemm’s canal, TM= trabecular meshwork
  2. a Comparisons of nanophthalmic group and control group were made using the χ2 test
  3. b Comparisons of the nanophthalmic and control groups were made with generalized estimating eq. ICC-related parameters were tested with R 3.1.0 using the cocor package
  4. c Statistically significant (P < 0.05)