How to adjust the progresive glasses by myself?

[online glasses]

I have ordered one pair of progressive glasses from the onine shop and was received in the mail yesterday. Since it is my first time to wear such kind of prescription glasses, i found it a bit difficult to get adapt to it. when wearing it, i always feel the segment height lower than usual glasses. So concerning my case, can you tell me is there any way that i can adjust the eyeglasses to make me feel comfortable?

Thank you for your help!

[mens glasses]

Normally, you know, the wearer can adjust extra lens power request see clear vision in different distance through his or her head tilt look through the proper vertical progress. The lens of the power, outside viewing distance usually requires only minor adjust the position of the head, from nearly vision missions, such as reading usually low vision and distant objects in the field. Besides lens avoid gradual discontinuous (image - jumps) and trifocal bifocal create more attractive and lens.