Blind Detective (2013)

Both have Andy Lau and Sammi Cheng as the on-screen couple and under the same direction by Johnnie To. Both have wacky endings.

Simply because both male lead in both movies has the similar handicap, which is blindness. Both has romance.

Both movie involve a blind person, solving murder mystery. One is more serious the other one a little comedy. Thriller

Can blind person be a police or witness? can blind person putting themselves in trouble as a witness? Both movies were intense

They both have former police officers they became blind and while blind witness a crime.

Both male leads are blind. The different is that one still coping and experiencing it, the otherone is a smart ass.