Shape is EVERYTHING when it comes to blue light glasses. You want frames that serve to flatter and accentuate the face rather than alter and distort your natural features. That's why the process of discovering the best fit begins with understanding your own features. So without further ado welcome to our rectangular range! Rectangular blue light glasses have harsher lines that complement people with round and softer features as the rectangular frames bring more definition to one's face. Get to know your features and see what works for you - may be rectangular blue light glasses are the perfect fit!