Table 5. Sensitivity and specificity of different vision screening techniques in detecting amblyopia, strabismus and refractive amblyopia risk factors.

Vision Screeners	Amblyopia		Strabismus		Refractive risk factors
	Sensitivity	Specificity	Sensitivity	Specificity	Sensitivity	Specificity
Lea Symbols test [38]	0.76	0.90	0.56	0.90	0.70	0.90
HOTV VA Test [38]	0.73	0.89	0.65	0.89	0.59	0.89
Random Dot E stereoacuity [38]	0.63	0.90	0.60	0.90	0.47	0.90
Noncycloplegic retinoscopy [38]	0.85	0.90	0.56	0.90	0.81	0.90
MTI photoscreener [38]	0.63	0.94	0.65	0.94	0.42	0.94
The Plusoptix A09	0.85	0.63	0.41	0.98	0.95	0.68