Factors Related to Superior and Inferior Hemifield Defects in Primary Open-Angle Glaucoma
Table 1
Patient characteristics.
Demographic factors
Age (years)
56.15 ± 11.73
Sex: male/female
24 (35.8%)/43 (64.2%)
Family history of glaucoma: yes/no
14 (20.9%)/53 (79.1%)
Ocular factors
POAG/NTG
5 (7.5%)/62 (92.5%)
Visual acuity
1.19 ± 0.05
Spherical equivalent (D)
−2.65 ± 2.53
Untreated IOP (mmHg)
15.20 ± 2.26
CCT (μm)
526.28 ± 33.98
DH: presence/absence
3 (4.5%)/64 (95.5%)
Disc area (mm2)
2.04 ± 0.44
cpRNFL thickness corresponding to defective hemifield (μm)
77.10 ± 10.06
mGCC thickness corresponding to defective hemifield (μm)
78.04 ± 8.67
Perimetric parameters
MD (dB)
−2.80 ± 3.12
PSD (dB)
6.52 ± 4.25
Average TD values corresponding to defective hemifield (dB)
−5.31 ± 6.07
Prevalence of defects within 10 degrees: yes/no
62 (92.5%)/5 (7.5%)
Prevalence of defects within 5 degrees: yes/no
26 (38.8%)/41 (61.2%)
Average TD values of superior within 10 degrees (C8-sup) (dB)
−4.92 ± 7.67
Average TD values of inferior within 10 degrees (C8-inf) (dB)
−1.51 ± 3.75
Average TD values of superior within 5 degrees (C2-sup) (dB)
−3.71 ± 8.35
Average TD values of inferior within 5 degrees (C2-inf) (dB)
0.02 ± 1.89
Systemic factors
Hypertension: yes/no
15 (22.4%)/52 (77.6%)
Diabetes mellitus: yes/no
7 (10.4%)/60 (89.6%)
Continuous variables are expressed as N (percentage), mean ± SD. POAG: primary open-angle glaucoma, NTG: normal tension glaucoma, IOP: intraocular pressure, CCT: central corneal thickness, DH: disc hemorrhage, cpRNFL: circumpapillary retinal nerve fiber layer, mGCC: macular ganglion cell complex, MD: mean deviation, PSD: pattern standard deviation, and TD: total deviation.
