Peel Regional Police are ramping up the search for a missing Brampton woman who hasn't been seen for almost four days.

Officers are going door-to-door in the area and combing nearby establishments looking for Nickeisha Whyte, 22, who is partially blind and has the mental capacity of a five-year-old.

She was last seen at 8:30 a.m. on Oct. 27 at 141 Main St. in Brampton.

Whyte is 5-foot-3 and weighs 110 pounds. She has a dark complexion and brown eyes, with short straight black hair. She was last seen wearing blue jeans and a purple and white jacket.

Anyone with information is asked to call Peel Police at (905) 453-3311 ext. 2233 or Crime Stoppers at 1-800-222-TIPS (8477).