OculoMotor Assessment Tool: Children Compared with Adults

Figures & data

Figure 1 OculoMotor Assessment Tool (OMAT).

Table 1 Baseline Parameters Including Mean Age and Standard Deviation of All Participants and According to Gender

Characteristic	N=52
Age range (years)	9–34
Mean Age ± Std. Deviation (years)	17.5±7.2
Male N (%)	28 (54%)
Children N (%)	31 (60%)
Children Age Mean ± Std. Deviation (years)	12.1±2.3
Children Age range (years)	9.0–17.0
Adults N (%)	21 (40%)
Adults Age ± Std. Deviation (years)	25.3±4.0
Adults Age range (years)	19–34
Mean Distance cc VA± Std. Deviation (DEC)	1.0±0.0
Mean Stereopsis± Std. Deviation (SOA)	250±0.0

Abbreviations: cc, with spectacles; VA, visual acuity; SOA, seconds of arc; DEC, decimal.

Table 2 Distributions of Saccades, NPC and Vergence Jumps for All Participants and According to Specified Age Groups

OMAT Test	All Participants (N=52)		Ages 9–18 Y (N=31)		Ages 19–34 Y (N=21)		P^a
	Mean ± SD	Range	Mean ± SD	Range	Mean ± SD	Range
Horizontal saccades (saccades per minute)	119.6±23.9	77–193	111.5±20.9	77–157	131.61±23.91	107–193	0.002
First 30 Sec	62.8±13.2	40–108	59.0±11.3	40–81	68.3±14.1	52–108	0.01
Last 30 Sec	56.8±11.6	30–88	52.5±10.6	30–76	63.2±10.2	48–88	0.001
P^b	<0.001		<0.001		0.001
Vertical saccades (saccades per minute)	118.1±24.1	74–173	112.5±22.7	74–151	126.2±24.2	86–173	0.04
First 30 Sec	63.0±13.3	37–98	60.3±13.5	37–98	66.9±12.3	44–97	0.08
Last 30 Sec	55.1±12.6	24–85	52.1±11.3	25–73	59.3±13.4	24–85	0.04
P^b	<0.001		<0.001		0.001
Near Point Convergence break (cm)	2.1±2.3	0–9	1.7±1.9	0–5	2.4±2.7	0–9	0.32
Near Point Convergence recovery (cm)	3.1±3.3	0–11	2.9±3.2	0–9	3.2±3.4	0–11	0.78
Vergence Jumps (single movements per minute)	79.3±21.2	40–122	82.1±23.4	40–162	75.3±17.1	42–114	0.26
First 30 Sec	41.5±11.5	20–68	43.6±12.7	20–68	38.5±8.7	23–59	0.11
Last 30 Sec	37.7±10.4	12–65	38.4±11.3	17–65	36.8±9.2	12–55	0.59
P^b	<0.001		<0.001		0.15

Notes: ^aComparison of the two age groups by two samples t-test. ^bComparison of the first and last 30 sec of the test by paired samples t-test.

Abbreviations: Y, years; SD, standard deviation; cm, centimeter.