Visual field examination method using virtual reality glasses compared with the Humphrey perimeter

Figures & data

Figure 1 Virtual reality glasses. (A) front view, (B) rear view, and (C) prescription glasses used with virtual reality glasses.

Figure 2 Computer – Virtual reality glasses – computer setup.

Figure 3 Gamma correction adjustment for PC.

Figure 4 Gamma correction adjustment for mobile device.

Abbrevations: VR, visual reality; APK, Android package kit.

Figure 5 Mobile device display adjustments and points to be tested. (A) gamma correction, (B) brightness adjustment, (C) left eye points, and (D) right eye points.

Figure 6 Trigonometrical projection to compensate bowl perimetry.

Figure 7 Rim lens artifact.

Figure 8 Software visual field test user interface.

Figure 9 Patient taking the test.

Figure 10 Results, eye 1–3.

Figure 11 Results, eye 4–6.

Figure 12 Results, eye 7–9.

Figure 13 Results, eye 10–12.

Figure 14 Results, eye 13–15.

Figure 15 Results, eye 16–18.

Figure 16 Results, eye 19, 20.

Table 1 Point to point Spearman coefficient (r) between the two methods for each eye

Eye	Spearman correlation coefficient (r)	Standard deviation	P-value (one-tailed)
1	0.736955	6.594795	<0.0001
2	0.765154	4.90298	<0.0001
3	0.875855	5.1637	<0.0001
4	0.792082	2.449182	<0.0001
5	0.773847	3.754133	<0.0001
6	0.75502	5.163674	<0.0001
7	0.865649	2.717742	<0.0001
8	0.833976	6.698726	<0.0001
9	0.838132	2.870508	<0.0001
10	0.766863	5.146533	<0.0001
11	0.870688	2.422245	<0.0001
12	0.848471	2.828427	<0.0001
13	0.850762	2.313561	<0.0001
14	0.889794	2.154654	<0.0001
15	0.745111	9.614359	<0.0001
16	0.829142	3.223862	<0.0001
17	0.725046	5.796804	<0.0001
18	0.806027	3.376511	<0.0001
19	0.879466	3.225733	<0.0001
20	0.722703	4.385763	<0.0001

Total results
Mean Spearman correlation coefficient (r)	Mean standard deviation	P-value (one-tailed)
0.808537	4.19494	<0.0001