Yes. wearing eyeglasses can make eyes look smaller. If you want to make your eyes look bigger when wear eyeglasses, here are some suggestion that may help you.
First of all, groom your eyebrows. Some people think that eyebrows won't affect the look of eyes. In fact, eyebrows can affect the look of your eyes in most cases. Also, removing stray hairs can make your eyes more noticeable.
Besides, if you want to make your eyes look bigger, you shall do everything to reduce any puffiness in your eyes and around the eyes.
In addition, to people who like to makeup, don't do smoky eye look. It will make your eyes look smaller.
What's more, you can apply eyeliner past the outer corners of your eyes. Still, proper using of some eyeshadow is necessary. Just add white eyeshadow to the inner corner of your eyes. Hope this can help you.