Kindly refer to the following link(s):
When Muslim Men don't look at Women, is it degrading them or respecting them?
Can I look at a girl with good intention?
How to lower gaze when you have to talk to non-mahram women like a doctor, teacher, receptionist
Lower my gaze or look through girls? Problems of lowering the gaze in West
Attending mixed school & interacting with opposite gender & teachers
Finding it difficult to lower the gaze, is there any solution?
Feeling ashamed to lower the gaze when dealing with women
I fail to lower my gaze (Uni, streets..) what to do? Is it a major sin?
How to control Zina of the eyes/watching pornography?