No,double vision has nothing to do with lazy eyes.Lazy eye is also called amblyopia.Actually,it is an adaption to prevent double vision usually.And some other people always treat droopy eyes as lazy eyes.However,double vision is usually caused by being too tired.And a pair of corrective glasses can help you a lot.Of course we can't exclude some other reasons that give rise to double vision,such as diabetes, high blood pressure and more rarely, strokes or tumors. Just don't panic.You know that the best way for you is to consult a doctor.By the way,double vision can be caused by some disorder of vision system,such as cornea, eye muscles, lens, nerves, or the brain. You should go to the doctor as soon as possible.There will be no small thing when in relation with eyes.