$qry_bu.=" and employer_contractor_id ='".$employer_contractor."' ";
}
if(isset($gender)&&$gender!=''){
$qry_bu.=" and gender ='".$gender."' ";
}
if(isset($start_date)&&$start_date!=''){
//$qry_date.=" and checkup_date >='".$start_date."' ";
$qry_date.=" and doj >=str_to_date('".$start_date."','%d-%m-%Y') ";
}
if(isset($end_date)&&$end_date!=''){
//$qry_date.=" and checkup_date <='".$end_date."' ";
$qry_date.=" and doj <=str_to_date('".$end_date."','%d-%m-%Y') ";
}
$data=array();
$query="SELECT count(*) as total,night_blind FROM patient_master where YEAR(CURDATE())-year(dob)>=18 and YEAR(CURDATE())-year(dob)<=25 and night_blind='1' $qry_date";
$query="SELECT count(*) as total,night_blind FROM patient_master where YEAR(CURDATE())-year(dob)>=26 and YEAR(CURDATE())-year(dob)<=30 and night_blind='1' $qry_date";
$query="SELECT count(*) as total,night_blind FROM patient_master where YEAR(CURDATE())-year(dob)>=31 and YEAR(CURDATE())-year(dob)<=40 and night_blind='1' $qry_date";
$query="SELECT count(*) as total,night_blind FROM patient_master where YEAR(CURDATE())-year(dob)>=41 and YEAR(CURDATE())-year(dob)<=50 and night_blind='1' $qry_date";