Increasing myopic refraction reduces random dot stereopsis in Chinese myopic patients: a cross-sectional study

BMC Ophthalmology

Table 3 Associations between covariates and abnormal RDS1.5 risk via univariate logistic regression analysis

Variables	Normal N = 154	Abnormal N = 834	OR[95% CI]	P value
Sex				0.533
Male	77 (50.0%)	391 (46.9%)	Ref.
Female	77 (50.0%)	443 (53.1%)	1.13 [0.80;1.60]
Age (year)	25.8 ± 6.07	25.3 ± 6.20	0.99 [0.96;1.01]	0.308
Anisometropia (D)	0.52 ± 0.46	0.51 ± 0.46	0.99 [0.68;1.44]	0.959
SE (D)	4.69 ± 1.75	5.27 ± 2.00	1.17 [1.07;1.28]	<0.001
Astigmatism (D)	0.74 ± 0.52	0.95 ± 0.73	1.70 [1.25;2.30]	< 0.001
BCVA (LogMAR)	-0.02 ± 0.05	0.00 ± 0.02	196,218 [1394;27610908]	0.001
Myopia group				0.015
Mild myopia	22 (14.3%)	97 (11.6%)	Ref.
Moderate myopia	95 (61.7%)	436 (52.3%)	1.05 [0.61;1.72]
High myopia	37 (24.0%)	301 (36.1%)	1.85 [1.02;3.27]
Division	-7.43 ± 4.87	-7.58 ± 6.08	1.00 [0.96;1.03]	0.742
Fusion	4.13 ± 4.70	4.00 ± 4.93	0.99 [0.96;1.03]	0.765
PEP_Hori_Big	18.1 ± 35.00	23.4 ± 44.50	1.00 [1.00;1.01]	0.103
PEP_Vect_Big	4.65 ± 4.26	5.67 ± 5.00	1.06 [1.01;1.11]	0.009
PEP_Hori_Small	18.3 ± 29.80	30.8 ± 58.60	1.01 [1.00;1.01]	<0.001
PEP_Vect_Small	2.91 ± 3.96	4.05 ± 5.80	1.07 [1.01;1.13]	0.003
Fixational eye movement				0.317
Normal	114 (74.0%)	580 (69.6%)	Ref.
Abnormal	40 (26.0%)	253 (30.4%)	1.24 [0.85;1.85]
SNR				0.163
Normal	54 (43.2%)	204 (36.0%)	Ref.
Abnormal	71 (56.8%)	362 (64.0%)	1.35 [0.91;2.00]

SE: all myopic values were reported as absolute values; BCVA: best-corrected visual acuity; LogMAR: logarithm of the minimum angle of resolution; mild myopia: SE >-3.00 D and ≤-0.50 D; moderate myopia: SE >-6.00 D and ≤-3.00 D; high myopia: SE ≤-6.00 D; PEP_Hori_Big: horizontal PEP (target 3°); PEP_Vect_Big: vertical PEP (target 3°); PEP_Hori_Small: horizontal PEP (target 1°); PEP_Vect_Small: vertical PEP (target 1°); SNR: signal-to-noise ratio; RDS1.5: stereopsis measured via random dot stereograms at 1.5 m from the screen

ISSN: 1471-2415