kid close one eye with hand to check vision on white background. vision testing concept. lazy eye, amblyopia, strabismus

amblyopia background people isolated fashion white child health medical happy smile face portrait kid cute lifestyle glasses person boy fun young happiness care disease illness treatment childhood injury bandage joy expression little correcting eye correction eyes occlude male doctor cheerful gesture head looking ambulance healing attractive lazy covering caucasian close one hand check vision background testing concept strabismus reviewing eyesight chech front