If you have the oval face with the pair of eyeglasses and want to have the haircut, you could cut the hair above the side of the ears. It will be cute. You could also cut the hair into the BOBO style which is so popular this year which will be so fashionable. You could get the style you like to match with your eyeglasses.
Well, it seems that you have got some troubles in choosing haircuts. It is true that a suitable haircut would add attractions to you and in my opinion, you would be looking more attractive if you try to keep a ponytail haircut, in that way, you are much more gorgeous and amazing and feminine. Just try to consider that. Also, you should pay attention to what you wear and other aspects as well.
Oval face is the most suitable face shape which can match up with many styles. Generally speaking, you can pull off almost any look, such as short or long, straight or wavy or even one of the funkier, edgier hairstyles. In my opinion, you can just go and have the conversation with your haircut men, who can give you some advices. Also, you can consider an angular bob that shows off your chin. Also, you may need to avoid short layers that add height on top of your head. By the way, because you have oval face shape, you can just wear square glasses.