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
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?