English AGROVOC
BT
Sensory disorders
BT
Functional disorders
BT
Disorders
NT
Blindness
NT
Strabismus
RT
Eye diseases
RT
Vision
(Lao)
ຄວາມຜິດປົກກະຕິກ່ຽວກັບການເຫັນ
(French)
Trouble de la vision
(Spanish)
Trastornos visuales