Can the eye be mishaped due to blepharoplasty?

Yes. Ptosis (drooping of the upper eyelid) is a relatively infrequent complication of upper blepharoplasty - if this occurs the visible portion of the open eye will be smaller and likely different than the other side. Rounding or pulling down of lower eyelid is a more common side effect/complication of lower blepharoplasty that may gradually improve or require corrective surgery.
Yes. Blepharoplasty can have a dramatic effect on the shape and appearance of the eyelids. Respect for the individual anatomy and natural facial features is critical to achieving an aesthetically pleasing result.
Yes. Yes it is possible, though uncommon. Blepharoplasty is a safe procedure when performed by an experienced plastic surgeon. Risks include bleeding, infection, scarring, asymmetry, dry eye, eye irritation, ectropion, conjunctival or muscle injury, or need for revision.
Yes. Be sure to express your desires and expected outcomes with your surgeon.. Some eyelids are in need of support and this may change the shape of the eye, .
Experience counts. This is possible but should not occur in the hands of an experienced surgeon. Ophthalmologists, facial plastic surgeons and plastic surgeons all have alot of experience with eyelid surgery. The fact is that any of these three specialties, if the surgeon has alot of experience, will likely provide a very good blepharoplasty result with very low risk of misshaping the eye.
Yes. If done incorrectly, blepharoplasty could cause a change in shape to the eyelid opening. Find a local oculoplastic surgeon who specializes in eyelid surgery.
Blepharoplasty. This surgery is performed on the eye lid. If it produces an asymetric result it can produce what you may notice.