Self-monitoring of intraocular pressure using Icare HOME tonometry in clinical practice

Figures & data

Table 1 Patients’ characteristics and clinical measurements for 94 eyes from 94 subjects

Variables/Parameters	Values: numbers (%); mean±SD
Age (years)	57.1±14.7
Gender (number of females (%))	50 (53.2%)
Diagnosis at baseline (number of eyes (%))
POAG	72 (76.6%)
Pigmentary glaucoma	10 (10.6%)
Exfoliative glaucoma	4 (4.3%)
Ocular hypertension	8 (8.5%)
Number of medications	1.8±1.2
MD (dB)	7.4±6.7
Visual acuity (logMAR)	0.07±0.24
Spherical equivalent (D)	−1.3±2.7
CCT (µm)	546.3±37.0
Average IOP (mmHg)	14.3±4.0 range 6.5 to 25.1
Difference in (max-min) IOP (mmHg)	10.0±4.2; range 2–24
Peak IOP (mmHg)	19.8±5.4; range 7–35
SD of IOP (mmHg)	3.3±1.4; range 0.7–7.8

Abbreviations: POAG, primary open-angle glaucoma; MD, mean defect (Octopus perimeter); CCT, central corneal thickness; IOP, intraocular pressure.

Table 2 Comparison of stable vs progressing eyes

Parameter	No progression (N=58)	Progression (N=36)	P
Age (years)	51.7±15.3	65.8±8.4	<0.001
Gender
Females (n=50), number (%)	26 (52)	24 (48)	0.039*
Males (n=44), number (%)	32 (72.7)	12 (27.3)
Number of medications	1.67±1.29	2.08±0.99	0.087
MD (dB)	7.58±7.34	7.06±5.70	0.718
Visual acuity (logMAR)	0.09±0.29	0.04±0.12	0.331
Spherical equivalent (D)	−1.70±3.11	−0.55±1.83	0.03
CCT (µm)	546.95±42.77	545.39±25.78	0.826
Average IOP (mmHg)	13.29±3.74	15.84±3.99	0.003
IOP fluctuation (max-min) mmHg	9.12±3.54	11.56±4.85	0.011
Peak IOP (mmHg)	18.60±4.83	21.75±5.78	0.005
SD of IOP (mmHg)	3.05±1.21	3.57±1.62	0.104

Note: The values presented in bold are statistically significant (independent-samples t-test and *Pearson's chi-squared test).

Abbreviations: MD, mean defect; CCT, central corneal thickness; IOP, intraocular pressure.